private void testUnregisteredInstructorEmailNotEditable() {
courseEditPage = getCourseEditPage();
______TS("make a new unregistered instructor and test that its email can't be edited");
courseEditPage.addNewInstructor("Unreg Instructor", "*****@*****.**");
int unregInstrNum = 3;
assertEquals(
"Unreg Instructor", courseEditPage.getNameField(unregInstrNum).getAttribute("value"));
assertFalse(courseEditPage.getNameField(unregInstrNum).isEnabled());
courseEditPage.clickEditInstructorLink(unregInstrNum);
assertTrue(courseEditPage.isInstructorEditable(unregInstrNum));
assertEquals("true", courseEditPage.getEmailField(unregInstrNum).getAttribute("readonly"));
assertTrue(courseEditPage.getNameField(unregInstrNum).isEnabled());
}
