### Question:
UserUtil { public static boolean isUser(String userType) { return UserType.USER.equals(userType); } private  UserUtil(); static User fromExternalUser(org.kie.server.services.taskassigning.user.system.api.User externalUser); static boolean isUser(String userType); static Stream<org.kie.server.services.taskassigning.user.system.api.User> filterDuplicates(Collection<org.kie.server.services.taskassigning.user.system.api.User> externalUsers);  }### Answer:
@Test public void isUser() { assertTrue(UserUtil.isUser("User")); assertFalse(UserUtil.isUser("NotAUser")); }