View Sourcenamespace webdriver.testingFunctionsassert(value)code ยปCreates a new assertion. Parametersvalue*The value to perform an assertion on. Returnswebdriver.testing.AssertionThe new assertion. TypesAssertionUtility for performing assertions against a given value. ContainsMatcherAccepts strins or array-like structures that contain value. NegatedAssertionAn assertion that negates any applied matchers.