This test returns a failure for any control that matches the class name specified in the test configuration:
For example, if you specify a Control Class Name of "WaveformGraph", then any Waveform Graph in a VI will be returned as a failure. This test is useful for detecting all the instances of a particular control type in a large set of VIs.
This test is saved in LabVIEW 2012. Follow the instructions here to install and use this test.