Generic/TraitNameSuffix: cleanup existing tests

- Remove redundant tests.
- Use proper punctuation in code comments.
- Make some tests more descriptive by making the trait name reflect what
is being tested.

Author: rodrigoprimo

src/Standards/Generic/Tests/NamingConventions/TraitNameSuffixUnitTest.inc

@@ -1,13 +1,7 @@
 <?php
 
-trait BadName {} // error
+trait MissingTraitSuffix {} // Error.
 
 trait GoodTrait {}
 
-trait GoodTraitTrait {}
-
-trait BadTraitName {} // error
-
-trait BadTraitNametrait {}
-
-trait NormalTraitNameTrait {}
+trait SuffixCaseIsNotEnforced_tRaIt {}

src/Standards/Generic/Tests/NamingConventions/TraitNameSuffixUnitTest.php

@@ -31,7 +31,6 @@ public function getErrorList()
     {
         return [
             3 => 1,
-            9 => 1,
         ];
 
     }//end getErrorList()