Unit Testing in C# -

junior web developer , have been tasked creating unit test project.

[testmethod] public void testgetuser()//shell complete, test code needs review {     try     {         //set test user          asamembershipprovider prov = this.getmembershipprovider();         //call user         membershipuser user = prov.getuser("test.user", false);            //ask username deliberate case differences          membershipuser user2 = prov.getuser("test.user", false);           //prove still user,         assert.arenotequal(null, user);         assert.arenotequal(null, user2);          //test using “.tolower()” function on resulting string.         //verify case doesn’t matter on username.         assert.areequal(user.username.tolower(), user2.username.tolower());         assert.areequal(user.username.tolower(), "test.user");      } catch (exception ex)     {         logmessage(ex);         assert.fail(ex.message);     } }