func (h *Handler) authenticationGetExercisesService(w http.ResponseWriter, r *http.Request, u *sitrep.UsersByEmail) {
	exercises, err := models.FindExercisesForUser(h.Cassandra, u)
	if err != nil {
		httpError(w, "Failed to fetch exercises", false, http.StatusInternalServerError)
		return
	}
	w.Header().Add("content-type", "application/json")
	w.Write(MarshalJSON(exercises, false))
}
func TestUser_ForExercise(t *testing.T) {
	user := mockUser()
	initUser(user)
	exercise := mockExercise()
	initExercise(exercise)
	addUserToExercise(user, exercise)
	exMap, err := models.FindExercisesForUser(dbConn(), user)
	if err != nil {
		t.Fatalf("No exercises were found for the user")
	}

	if exMap.Exercises[exercise.Id.String()] != exercise.ExerciseName {
		t.Fatalf("Invalid Email found")
	}

}