# File gstreamer/tests/misc.rb, line 367
    def test(tc)
        # Test as a PluginFeature
        super(tc)
        # Test the string representation
        tc.assert_instance_of(String, to_s)
        # Test mime
        tc.assert_instance_of(String, mime) 
        # Test exts (may be nil)
        tc.assert_instance_of(String, exts) if exts 
    end