    public void testValidGroupIds() {
        testInvalidGroupId("John-Doe",false);
        testInvalidGroupId("Jane/Doe",false);
        testInvalidGroupId("John.Doe",false);
        testInvalidGroupId("Jane#Doe", false);
        testInvalidGroupId("John@Döe.com", false);
        testInvalidGroupId("JohnDoé", false);
    }
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.