public void testEditResponse() {
    ______TS("edit responses");

    FeedbackQuestionAttributes fq =
        BackDoor.getFeedbackQuestion("IESFPTCourse", "First feedback session", 1);
    FeedbackResponseAttributes fr =
        BackDoor.getFeedbackResponse(
            fq.getId(), "*****@*****.**", "*****@*****.**");

    assertEquals("Student 1 self feedback.", fr.getResponseDetails().getAnswerString());

    submitPage =
        loginToInstructorEditStudentFeedbackPage(
            "IESFPTCourseinstr", "*****@*****.**", "session1InIESFPTCourse");

    // Full HTML verification already done in InstructorFeedbackSubmitPageUiTest
    submitPage.verifyHtmlMainContent("/InstructorEditStudentFeedbackPageOpen.html");

    submitPage.fillResponseTextBox(1, 0, "Good design");
    submitPage.clickSubmitButton();
    assertEquals(submitPage.getStatus(), Const.StatusMessages.FEEDBACK_RESPONSES_SAVED);

    fq = BackDoor.getFeedbackQuestion("IESFPTCourse", "First feedback session", 1);

    fr =
        BackDoor.getFeedbackResponse(
            fq.getId(), "*****@*****.**", "*****@*****.**");

    assertEquals("Good design", fr.getResponseDetails().getAnswerString());
  }
  private void testDeleteResponse() {
    ______TS("test delete response");

    submitPage.fillResponseTextBox(2, 0, "");

    submitPage.fillResponseTextBox(1, 0, "");
    submitPage.clickSubmitButton();

    assertEquals(submitPage.getStatus(), Const.StatusMessages.FEEDBACK_RESPONSES_SAVED);

    FeedbackQuestionAttributes fq =
        BackDoor.getFeedbackQuestion("IESFPTCourse", "First feedback session", 1);
    FeedbackResponseAttributes fr =
        BackDoor.getFeedbackResponse(
            fq.getId(), "*****@*****.**", "*****@*****.**");
    assertNull(fr);
    fq = BackDoor.getFeedbackQuestion("IESFPTCourse", "First feedback session", 2);
    fr =
        BackDoor.getFeedbackResponse(
            fq.getId(), "*****@*****.**", "*****@*****.**");
    assertNull(fr);
  }
  private void testAddResponse() {
    ______TS("test new response");

    submitPage.fillResponseTextBox(2, 0, "4");
    submitPage.clickSubmitButton();
    assertEquals(submitPage.getStatus(), Const.StatusMessages.FEEDBACK_RESPONSES_SAVED);

    FeedbackQuestionAttributes fq =
        BackDoor.getFeedbackQuestion("IESFPTCourse", "First feedback session", 2);
    FeedbackResponseAttributes fr =
        BackDoor.getFeedbackResponse(
            fq.getId(), "*****@*****.**", "*****@*****.**");

    assertEquals("4", fr.getResponseDetails().getAnswerString());

    // Full HTML verification already done in InstructorFeedbackSubmitPageUiTest
    submitPage.verifyHtmlMainContent("/InstructorEditStudentFeedbackPageModified.html");
  }