Check that we can navigate to rows and columns, and that we get the right text back for cells. We see API failures in CI on some macOS nodes, accompanies by the debug message: AXUIElementCopyAttributeValue( "AXTitle" ) returned error = AXError(value=-25201, name=kAXErrorIllegalArgument, description="An illegal argument was passed to the function.") On hosts where the test fails, we always see this warning, so extend the test helper with an errorOccurred boolean that we can test and if set skip the test. Pick-to: 6.5 Change-Id: Iacad4c41f8597243abeff36ca91cf290446c13a1 Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>