### Question:
JavaScriptEngineService implements ScriptEngineService { @Override public ScriptEngine createScriptEngine(ScriptLocation script) throws EngineException { return null; } JavaScriptEngineService(DCRContext dcrContext);  JavaScriptEngineService(); @Override List<? extends Instrumenter> createInstrumenters(); @Override ScriptEngine createScriptEngine(ScriptLocation script);  }### Answer:
@Test public void testGetScriptEngine() throws Exception { final ScriptLocation script = new ScriptLocation(new File("foo.java")); assertNull(new JavaScriptEngineService(null).createScriptEngine(script)); }