@Override
    public Object eval(final String script, final ScriptContext context) throws ScriptException {
        return null;
    }
This is a "do nothing" implementation of the {@link GremlinScriptEngine} which can be used to help test plugin
implementations which don't have reference to a {@link GremlinScriptEngine} as a dependency.

@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/jsr223/MockGremlinScriptEngine.java