public static void validateException(final Throwable expected, final Throwable actual) {
        assertThat(actual, instanceOf(expected.getClass()));
    }
If using "parameterized test" junit will append an identifier to the end of the method name which prevents it
from being found via reflection.  This method removes that suffix.
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/AbstractGremlinTest.java