private static Stream<Method> testMethodsOf(Class<?> testClass) {
    return stream(testClass.getMethods())
        .filter(m -> m.isAnnotationPresent(org.junit.Test.class));
  }
Returns a list of the test description descendants of root.
geode-junit/src/test/java/org/apache/geode/test/junit/runners/GeodeParamsRunnerTest.java