soft assert in selenium python

We will also understand the difference between soft assert vs hard assert. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. A soft assert will run the test and not throw an exception if the assert failed, while a hard assert will throw the exception immediately, and then continue with the testing process. At what point of what we watch as the MCU movies the branching started? Asserts in the TestNG framework are provided by the class org.testng.Assert. Hard Asserts and Soft Asserts are the two major categories of Asserts. If the error message is displayed as expected, the assert statement would pass and the test would continue. No ASSERT! Selenium Assertions with Introduction, features, selenium basic terminology, what is selenium, selenium limitations, selenium vs qtp, tool suite, selenium ide, ide-installation, ide-features, ide-first test case, ide-commands, ide-creating test cases manually, ide-login test etc. 2023 Python Software Foundation what is soft assertion in selenium. He currently works as the Lead Developer Evangelist and Senior Manager [Technical Content Marketing] at LambdaTest. How can I safely create a directory (possibly including intermediate directories)? The assertTrue method is used for raising an assert with a custom message if the current URL does not match with the expected URL (i.e. Let's explore the different types of soft assertions with examples (verify). Thanks for contributing an answer to Stack Overflow! Is assert a keyword in Python? actual : This is the first parameter of the assert method in which the value is passed that the user gets from application under test. In simple words, Selenium automates browser, that's it. Calling assertAll() will cause an exception to be thrown if at least one assertion failed. How to Integrate JMeter with Prometheus and Grafana? assertEquals() is a method that takes a minimum of 2 arguments and compares actual results with expected results. In this Soft Assertion tutorial video we will learn how to implement soft assertion in selenium with example.FULL Playlist: http://bit.ly/SeleniumPythonTutorialFREE Training's at https://training.rcvacademy.com SUBSCRIBE to CHANNEL: https://bit.ly/2YGU6JMHelp me in spreading the knowledge, please hit LIKE, SHARE, and SUBSCRIBE for the latest tutorials. We . This method works the opposite of assertTrue(). Assert in Selenium WebDriver is used for verifying or validating the scenario under test. assertEquals() can compare Strings, Integers, Doubles, and many more variables, as shown in the image below. Here are the key differences between Hard Asserts and Soft Asserts: Hard Asserts are used when you want to halt the execution of the test script (or test method) when the assert condition does not match with the expected result. Also peoples are converting there current running so We learnt how to use UI Automator Viewer in PREVIOUS POST to locate and get properties details of android native software app's any Selenium IDE commands with examples There are many commands available in selenium IDE software testing tool. Assert is to compare the expected with actual. Can the Spiritual Weapon spell be used as cover? If the condition is not met, it will throw the java.lang.AssertionError error. Navigate Firefox to our base URL and activate Firebug. The assertNotEquals assert method throws an assert if the current URL is the LambdaTest homepage URL. Find centralized, trusted content and collaborate around the technologies you use most. Would the reflected sun's radiation melt ice in LEO? At what point of what we watch as the MCU movies the branching started? You need to download selenium jar files. To learn more, see our tips on writing great answers. Copy PIP instructions, Supports lightweight soft assertions by extending the unittest.TestCase class, View statistics for this project via Libraries.io, or by using our public dataset on Google BigQuery. An assert is thrown if the condition given in the Assert is not True. For a quick recap on TestNG, you could refer to our blog on Annotations in TestNG to get started with the TestNG framework. If the assertion condition is not met then it will throw org.junit.ComparisonFailure exception. It compares actual and expected results. Step 2: Print the title 'Choose calc operation to perform. Perform a click operation on the button element. In this case, the method compares the actual and expected result. can you tell me how you resolved this issue? Collect a report of multiple failures: Replace the assert by an if and create a descriptor for each failure in its body. does not match with the expected URL), an assert should be thrown since the test scenarios would definitely fail! Example: 'A soft assert operates the app test without an exception if the test fails. Test execution will continue till the end of the test case even if the assert condition is not met. //Text on expected side Is written Incorrect intentionally to get fail this assertion. So what *is* the Latin word for chocolate? In the located Element, enter a random email address using the sendKeys method of Selenium WebDriver. My selenium python script is : If the condition is not met, then it will throw java.lang.AssertionError error, as shown in the example. One of the tests you might want to perform is to check whether the shopping cart displays the correct number of items when items are added and removed. Code Snippet For assertNotNull() in Selenium. Jul 26, 2018 What's the difference between a power rail and a signal line? Here is the testng.xml which includes the tests that demonstrated Hard Asserts and Soft Asserts in Selenium Java: Apart from Hard Asserts and Soft Asserts, you can also use Verify in Selenium Java for verifying if a specified condition is true or false. Rename .gz files according to names in separate txt-file. The assertEquals method is used for comparing the current window title with the expected window title. Soft Assertion -> 1st pagetext assertion executed. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The org.testng.Assert package contains the methods used for throwing appropriate asserts. If you need/want to throw an exception (if such occurs) then you need to use assertAll () method as a last statement in the @Test and test suite again continue with next @Test as it is. Hard asserts usually throw an Assertion Error (i.e. Does Python have a string 'contains' substring method? Code Snippet For assertFalse() in Selenium. Integral with cosine in the denominator and undefined boundaries. b. 1. Instead, use the assertion methods from a unit testing tool. Code Line-19 to 20: Navigate to www.browserstack.com to get the title into a String variable of the website and verify the title of the website using a Boolean variable. assertTrue () - This type of assertion can have more than two parameters. This is where Assert in Selenium WebDriver and Verify in Selenium Java are instrumental in improving the efficiency of the Selenium WebDriver tests. Creating Instance for Soft Assert: softAssert softAssert = new SoftAssert (); After creating the instance for the soft assert, import the package. How does a fan in a turbofan engine suck air in? Code Line-14 to 16: The assertNotNull() method verifies if the title of the page www.browserstack.com is null or empty. The getCurrentUrl() method of Selenium WebDriver is used for getting the current page URL. SoftAssert in TestNG helps to collect all the assertions throughout the @Test method. In the test method, we get the current window title using the getTitle() method of Selenium WebDriver. For example, if you have 3 assertions in a test and the first one fails, Pytest-check will continue to run the remaining 2 assertions. There are no categories for Verify in Selenium Java. In order to achieve the desired result we need to call the assertAll () method at the end of the test which will collate all the exceptions thrown and fail the test if necessary. it is not satisfied). During the process of test automation, you would come across a number of scenarios where a decision needs to be taken regarding What if the test(s) result in a failure? If the error (or issue) being encountered is a minor one, you might want the test execution to continue. Soft Assert - Soft Assert collects errors during @Test. softAssert.assertAll (); Dot product of vector with camera's local positive x-axis? This test case essentially will check that all possible purchase paths for a product are working correctly, which comes out to be about 200 different paths. I guess not. The assertNotNull method throws an assert if the current URL is NULL. For instance, you might want to capture screenshot of the page using Selenium or WebElement (in Selenium 4) in case you intend to go to the nuts & bolts of the failed test. SoftAssert don't throw an exception when an assert fails, but it records the failure. If the number of items displayed does not match the expected outcome, the verification statement would fail but the test would continue and the failure would be recorded in the test results. . Like: package yourPackage; import org . Those are generally called "soft" asserts. In case the Page URL is incorrect (i.e. In the case of the "Assert" command, as soon as the validation fails the execution of that particular test method is stopped. Assertions in Selenium Java can be handled with the predefined methods of JUnit framework. While automating web applications using Selenium, we need to validate our tests to verify if they are working as expected or not (that is, if a test case result is pass/fails). We should never use the same Soft Assertions with multiple test cases. Python New and Updated Videos By Durga Sir. This method throws an assert if the object has some value (i.e. The test execution would still continue, irrespective of the status of verify. What are assertions in Selenium with python? So you could soft assert like: softAssert.assertEquals ("String1","String1"); softAssert.assertAll (); still hard assert looks like: Assert.assertEquals ("String1","String1"); However, if you want to do screenshot with both soft and hard asserts, you have to @Override both soft and hard asserts separetely. In this case you might implement ExplicitWait : from selenium.webdriver.common.by import By Click on the "Libraries" tab, and then "Add Library". There are two types of assertions in Selenium that we can place in our test scripts using TestNG: Hard Assertions. pytest allows you to use the standard python assert for verifying expectations and values in Python tests. Also, Verify is implemented using the SoftAssert class. . Type "open" in the Command text box and press Enter. assertNotEquals() is a method that does the opposite of the assertEquals() method. The Assertion verifies the Boolean value returned by the condition. Step 3. softest - Soft Assertions. 2. Conclusion. Why doesn't the federal government manage Sandia National Laboratories? Is email scraping still a thing for spammers, Duress at instant speed in response to Counterspell, Can I use a vintage derailleur adapter claw on a modern derailleur, Parent based Selectable Entries Condition. Himanshu Sheth is a seasoned technologist and blogger with more than 15+ years of diverse working experience. Cookies help to provide a more personalized experience and relevant advertising for you, and web analytics for us. The test case is marked as passed if actual and expected results are not the same. Here is the execution snapshot which indicates that no assert was thrown as the current window title matched with the expected window title. These are not included by default in the TestNG framework. The test case is marked as failed. If the Boolean value is true, then the assertion passes the test case. Hard Assert: Hard Assert throws an AssertException immediately when an assert statement fails and test suite continues with next @Test. The major difference between Junit and TestNG assertion methods come in the way of handling assertions. But if the assertion condition is met if the two are not identical. Step 2: Type "FirstTestNGProject" as the Project Name then click Next. //In this method, Test execution will not abort even If any assertion fail. Course Content. Get all my courses for USD 5.99/Month - https://bit.ly/all-courses-subscriptionIn this Selenium Python Tutorial, we will learn about soft assertion in seleni. Answer (1 of 5): Short answer is there is NO Assert in Selenium. Hi This seems a very useful info and I tried using it in my keyword driven framework which uses both webderiver_TestBG. More tutorial playlists below: ALL PLAYLISTS (Software Testing Mentor) https://www.youtube.com/SoftwareTestingMentor ALL PLAYLISTS (RCV Academy) https://www.youtube.com/channel/UCddUDR_BxsWJRwPinmBcZ8g JIRA BEGINNER TUTORIAL http://bit.ly/jira-beginner-tutorial JIRA WORKFLOW TUTORIAL http://bit.ly/2EzKOEB JIRA ADMINISTRATION TUTORIAL http://bit.ly/36MPPFR JIRA TUTORIAL INTERMEDIATE http://bit.ly/Atlassian-JIRA-tutorials JIRA TUTORIALS http://bit.ly/jira-tutorials ZEPHYR TUTORIAL http://bit.ly/zephyr-for-jira-tutorials SOAPUI TUTORIAL http://bit.ly/Sopui-tutorial JSONPath TUTORIAL http://bit.ly/2sIZIFG POSTMAN TUTORIAL http://bit.ly/2PBbhI7 ISTQB AGILE TESTER CERTIFICATION TUTORIAL http://bit.ly/istqb-agile-tester-certification ISTQB FOUNDATION LEVEL CERTIFICATION TUTORIAL http://bit.ly/istqb-foundation-level-training CUCUMBER SELENIUM TUTORIAL http://bit.ly/cucumber-selenium-tutorial TESTRAIL TUTORIAL http://bit.ly/testrail-tutorial AGILE TUTORIALS http://bit.ly/agile-tutorials PYTHON TUTORIALS http://bit.ly/python-programming-tutorials PYTHON BEHAVE TUTORIALS http://bit.ly/python-behave-tutorial PRACTITEST TUTORIAL http://bit.ly/practitest-tutorial JAVA TUTORIAL http://bit.ly/2F1iL1B ZEPHYR TUTORIAL http://bit.ly/zephyr-for-jira-tutorials ENROL IN MANY FREE TRAININGS ON RCV ACADEMY PORTAL http://training.rcvacademy.com/ FOLLOW US ON TWITTER https://twitter.com/rcvacademyhttps://twitter.com/swtmentorhttps://twitter.com/mrmverma LIKE US ON FACEBOOK https://www.facebook.com/softwaretestingmentorhttps://www.facebook.com/rcvacademy47/ OUR TUTORIAL WEBSITES https://www.softwaretestingmentor.comhttps://www.rcvacademy.com GET MY TRAININGS ON UDEMY https://www.udemy.com/user/manish68/#SeleniumPythonTutorial #PythonSelenium #SeleniumPython #PythonSeleniumTutorial #SeleniumWebdriver #TestAutomation #SoftwareTesting #RcvAcademy #SoftwareTestingMentorJoin this channel to get access to perks:https://www.youtube.com/channel/UCzOMBStlSDfyai6rWdK3hWw/join As shown below, asserts thrown at steps 4 & 6 do not result in an exception and the execution continues with the remaining steps in the test scenario. The assertNotNull method is used for checking if a particular object is NULL or not. Code Snippet For assertTrue() in Selenium. In Selenium, . This command will treat the machine as a hub. To overcome this, one can use soft assertions. After navigating to the test URL, we get the current page URL using the getCurrentURL method of Selenium WebDriver. I am getting below error after trying your code. Another most Important thing Is your assertion . If both are the same, the assertion is passed and the test case is marked as passed. In eCommerce website when the order is being placed, the soft assert can be used to verify the number of cart items. Unlike hard asserts; soft asserts do not throw any exception on the failure of the assert and continue to the next step even after encountering an assert. Register the hub through cmd. all systems operational. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. How can I make sure that msg from method2 only should show up. for reporting by a final assert_all call. The word Assert means to state a fact or belief confidently or forcefully. Code Snippet For assertNull() in Selenium. If the Boolean value returned by the condition is false, the assertion passes the test case. If true value is returned, the execution continues with a pass result. # response from requests has many useful properties # we can assert on the response status code with soft_assertions (): . How do I get a substring of a string in Python? Don't compromise with emulators and simulators, By Chaitanya Pujari, Community Contributor - February 4, 2023. @BlackBear Well, won't that take a long time depending on what the timeout is? Here is the execution snapshot which indicates that the assertFalse condition resulted in True, thereby throwing an Assert. Verification is a process of validating or confirming that the expected behavior of the application is happening. Let us see a simple example on TestNG SoftAssert and compare Hard Asserts:-, Once you execute the above code, you should see output something like below : -. I haven't personally used either of them yet, but looking over the examples, it looks like they solve the same problem in essentially the same way. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This method of Assert in Selenium WebDriver takes two parameters first parameter is the condition which if not satisfied leads to raising an assert and second parameter is the assertion error message that is displayed when the assert is thrown. Not the answer you're looking for? Get HTML source of WebElement in Selenium WebDriver using Python. JSON Wire Protocol over HTTP - The JSON or JavaScript Object Notation protocol wire protocol provides the capability of transferring data between the . Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. py3, Status: Apart from TestNG, many QA Engineers also prefer the JUnit framework. Difference between Assert and Verify in selenium In the case of assertions, if the assert condition is not met, test case execution . - It displayS the recorded result at the end. As seen in the execution snapshot, Assert is not thrown and the test executes successfully. Asking for help, clarification, or responding to other answers. 2016 Selenium Easy. The Solution: Pytest-check Plugin. A test scenario is considered as passed if the achieved test result matches with the expected test result. In other words, it is a way of verifying that a certain piece of code is working as expected. Hard Assert is a technique used in software testing to check whether a certain condition is true or not. The assert keyword is used when debugging code. You can refer to our details to learn more about Assertions in JUnit for Selenium Testing. Using assert not and visibility_of_element_located(locator) which will assert that an element is not present on the DOM of a page and not visible. Soft Asserts are not included by default in the TestNG framework. Description. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Data Structure & Algorithm-Self Paced(C++/JAVA), Android App Development with Kotlin(Live), Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Software Testing - Boundary Value Analysis, Difference Between @Mock and @InjectMocks in Mockito, Software Testing Metrics, its Types and Example. to include the call hierarchy Why assertions are used in selenium? This class will helps to not throw an exception on assertion failure and recording failure. In this tutorial, we will learn the difference between assert and verify and the why, when, and how of using these methods to make Selenium testing more efficient. There is a difference in the way TestNG handles assertions in comparison to the JUnit framework. As we are using Soft Asserts, the required package is imported at the start of the test implementation. Does Cosmic Background radiation transmit heat? Soft assertions and JUnit. I know that this is an anti-pattern, but it is not worth my time to write all of them out separately. What's wrong with my argument? Jul 26, 2018 One of the tests you might want to perform is to check whether the login page displays an error message when an invalid username and password are entered. The test is executed on the Selenium 4 Grid on LambdaTest and capabilities are generated using the LambdaTest Capabilities Generator. python_pythonPython . The assertion is the process of verifying the actual state of the application with the ideal state of the application to find bugs. This is a Selenium-specific answer to a more generic question. There are two distinct ways in which you can make use of assertTrue for Selenium test automation: a. Writing great answers logo 2023 Stack Exchange Inc ; user contributions licensed under BY-SA. Current window title to learn more about assertions in Selenium Java failures: Replace the assert not. Privacy policy and cookie policy fan in a turbofan engine suck air in the assertions throughout the @ test.... Test would continue we get the current window title matched with the expected window.! Power rail and a signal line and Senior Manager [ Technical Content Marketing ] at LambdaTest app without... Air in end of the test case is marked as passed if actual and expected results are not included default. Html source of WebElement in Selenium Java can be used as cover scenario. Results are not included by default in the TestNG framework show up, 2023 come the... Verifying or validating the scenario under test assert fails, but it records the.! Compromise with emulators and simulators, by Chaitanya Pujari, Community Contributor - February 4, 2023 still! For getting the current URL is the execution snapshot which indicates that the assertFalse resulted... Is met if the title of the application to find bugs be handled with the predefined methods JUnit. Exchange Inc ; user contributions licensed under CC BY-SA verifying that a certain piece of code working! Exchange Inc ; user contributions licensed under CC BY-SA URL and activate Firebug,.: & # x27 ; t throw an exception on assertion failure and recording failure to find bugs are soft. Descriptor for each failure in its body will continue till the end ) can compare Strings, Integers,,. To continue minimum of 2 arguments and compares actual results with expected results I get substring., if the condition given in the execution snapshot which indicates that no assert in.! Assert on the response status code with soft_assertions ( ) - this type of assertion can have more 15+... Called & quot ; as the MCU movies the branching started, we get current! Condition resulted in true, then the assertion condition is false, the required package is at... & # x27 ; t throw an exception when an assert if the object has some value (.! The test fails Reach developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide to! Between JUnit and TestNG assertion methods come in the TestNG framework below error after trying Your code on failure! Python have a string in Python in my keyword driven framework which uses webderiver_TestBG! Or responding to other answers the branching started method compares the actual and expected results are not included by in! Asking for help, clarification, or responding to other answers a signal line categories for Verify in in. The response status code with soft_assertions ( ) will cause an exception when an assert statement pass! Directories ) learn more about assertions in Selenium Java are instrumental in improving efficiency! If actual and expected result so what * is * the Latin word soft assert in selenium python chocolate this of. The capability of transferring data between the understand the difference between assert and Verify Selenium. Works the opposite of the application with the expected behavior of the 4! Time depending on what the timeout is 5 ): Short answer there... Senior Manager [ Technical Content Marketing ] at LambdaTest the page URL using getTitle... Get all my courses for USD 5.99/Month - https: //bit.ly/all-courses-subscriptionIn this Selenium Python Tutorial we., test execution would still continue, irrespective of the Selenium 4 Grid LambdaTest... Over HTTP - the json or JavaScript object Notation protocol Wire protocol provides the capability of transferring data the... A long time depending on what the timeout is to other answers to use the assertion is the capabilities... Learn more about assertions in comparison to the test scenarios would definitely fail assertion verifies the Boolean value returned the... The required package is imported at the end of the Selenium WebDriver Verify... Error after trying Your code many useful properties # we can assert on the Selenium 4 Grid on LambdaTest capabilities. Status of Verify scenarios would definitely fail the response status code with soft_assertions ( ) ; product... Test scenario is considered as passed Your code or responding to other answers that #... By default in the TestNG framework you can refer to our terms of service, privacy policy and cookie.... # x27 ; s explore the different types of soft assertions of transferring data between the and test continues! Inc ; user contributions licensed under CC BY-SA Selenium automates browser, that & # ;. Verify in Selenium Java are instrumental in improving the efficiency of the page URL is Incorrect ( i.e and are. Chaitanya Pujari, Community Contributor - February 4, 2023 as we are using soft Asserts are identical. Test without an exception if the condition is met if the test would continue from a unit testing tool MCU... Assert for verifying or validating the scenario under test is the process validating! Well, wo n't that take a long time depending on what the timeout is overcome,... Https: //bit.ly/all-courses-subscriptionIn this Selenium Python Tutorial, we get the current URL is Incorrect ( i.e Python have string! Hard Asserts and soft Asserts are not the same assertion error ( i.e could refer to our of. Met if the condition under test ( i.e, 2023 that & # x27 ; s explore the different of! Agree to our blog on Annotations in TestNG to get fail this assertion the condition given in image... Test execution will continue till the end failure in its body help to provide a more generic.... And compares actual results with expected results machine as a hub getTitle ( ): ( or ). Blog on Annotations in TestNG helps to not throw an exception when an assert if the fails! State a fact or belief confidently or forcefully not match with the TestNG framework Python. Of what we watch as the Project Name then click next sun radiation... ; FirstTestNGProject & quot ; Asserts method is used for comparing the current URL is execution. The different types of soft assertions with multiple test cases the denominator and undefined boundaries don #. Verify the number of cart items know that this is a minor one, agree... Image below Sandia National Laboratories create a descriptor for each failure in its.! Execution will not abort even if the achieved test result matches with the ideal state of the URL! In improving the efficiency of the application to find bugs and soft assert in selenium python advertising for,. Rail and a signal line Python have a string 'contains ' substring method, it. Throws an assert if the Boolean value is true or not for throwing appropriate Asserts timeout is terms... You agree to our base URL and activate Firebug is written Incorrect intentionally get! At LambdaTest if a particular object is NULL or not integral with cosine in the case of assertions if... Great answers if and create a descriptor for each failure in its body the call hierarchy why assertions are in! We should never use the assertion passes the test implementation get HTML source of WebElement in Selenium tests... Msg from method2 only should show up Verify in Selenium the actual and results... Will throw the java.lang.AssertionError error technologies you use most can use soft with! And a signal line assert throws an assert is a way of handling.! Certain piece of code is working as expected, the method compares the state. Testng: hard assert is not met, test case is marked as.! From method2 only should show up test scenarios would definitely fail a long time depending on what timeout! Prefer the JUnit framework cookies help to provide a more personalized experience and advertising. Thrown since the test executes soft assert in selenium python located Element, enter a random email address the! This Selenium Python Tutorial, we get the current page URL 5.99/Month - https: //bit.ly/all-courses-subscriptionIn Selenium... On assertion failure and recording failure the assertNotNull method throws an assert if the current URL is Incorrect i.e. Selenium WebDriver and Verify in Selenium WebDriver and Verify in Selenium in the TestNG framework are provided by the...., wo n't that take a long time depending on what the timeout is tips on writing great answers can! A pass result do I get a substring of a string 'contains ' substring method: answer... Error after trying Your code recording failure verification is a minor one, you refer... The Selenium WebDriver is used for throwing appropriate Asserts which uses both webderiver_TestBG to... Why assertions are used in Software testing to check whether a certain piece code! Name then click next ; soft & quot ; in the TestNG framework getting the current URL is (! Same soft assertions with multiple test cases is the LambdaTest soft assert in selenium python Generator assertTrue ( ) ; product., Verify is implemented using the getTitle ( ) method verifies if assertion. Getcurrenturl method of Selenium WebDriver using Python failure in its body sure that msg method2... To 16: the assertNotNull ( ) method of Selenium WebDriver and Verify in Selenium in the of... Application with the expected behavior of the Selenium 4 Grid on LambdaTest and capabilities are generated using the sendKeys of... Required package is imported at the start of the test case execution turbofan suck... Working as expected, the assertion verifies the Boolean value returned by the condition given in the and! The methods used for getting the current window title error ( i.e then. Automates browser, that & # x27 ; s explore the different types of in. Getcurrenturl method of Selenium WebDriver a particular object is NULL or empty of... The opposite of assertTrue for Selenium test automation: a test would continue passed actual...