public static Class<?> forNameWithCallerClassLoader(String name, Class<?> caller) throws ClassNotFoundException {
        return forName(name, caller.getClassLoader());
    }
@Test
    void tetForNameWithCallerClassLoader() throws Exception {
        Class c = ClassUtils.forNameWithCallerClassLoader(ClassUtils.class.getName(), ClassUtilsTest.class);
        assertThat(c == ClassUtils.class, is(true));
    }