public Class<?> compileGroovy(String sFilterCode) throws CompilationFailedException {
        GroovyClassLoader loader = new GroovyClassLoader();
        return loader.parseClass(sFilterCode);
    }
@Test
    void testCompile() {
        Class<?> filterClass = FilterVerifier.INSTANCE.compileGroovy(sGoodGroovyScriptFilter);
        assertNotNull(filterClass);
        filterClass = FilterVerifier.INSTANCE.compileGroovy(sNotZuulFilterGroovy);
        assertNotNull(filterClass);

        assertThrows(CompilationFailedException.class, () -> FilterVerifier.INSTANCE.compileGroovy(sCompileFailCode));
    }