@Test
    public void shouldEvalFailingAssertionScript() throws Exception {
        try (GremlinExecutor gremlinExecutor = GremlinExecutor.build().create()) {
            gremlinExecutor.eval("assert 1==0").get();
            fail("Should have thrown an exception");
        } catch (Exception ex) {
            assertThat(ex.getCause(), instanceOf(AssertionError.class));
        }
    }
Temporary "useless" plugin definition to force GremlinExecutor to use GremlinScriptEngineManager - will be
removed when the old functionality of ScriptEngines is removed.
gremlin-groovy/src/test/java/org/apache/tinkerpop/gremlin/groovy/engine/GremlinExecutorTest.java