DeveloperAPI ReferenceTest AST HelpersOn this page_internal/test-ast Interfacesโ AssertionMatcherCall AssertionSummary TestCall Type Aliasesโ TestCallback Functionsโ getTestCall isTestSuiteCall isFocusedTestLikeCall isDisabledTestLikeCall visitDescendants visitDescendantsOutsideNestedFunctions isExpectCall isExpectLikeCall containsExpectCallOutsideNestedFunctions getAssertionMatcherCall assertionChainHasProperty summarizeAssertions titleHasNegativeSignal