Generic/AbstractClassNamePrefix: improve code coverage

Author: rodrigoprimo

src/Standards/Generic/Tests/NamingConventions/AbstractClassNamePrefixUnitTest.1.inc

@@ -56,4 +56,10 @@ class NameAbstractBar {}
 abstract class abstractOkName
 {
 
-}
+}
+
+final class FinalClassShouldNotTriggerWarning {}
+
+class ChildClassShouldNotTriggerWarning extends AbstractClassName {}
+
+class ClassImplementingInterfaceShouldNotTriggerWarning implements InterfaceName {}

src/Standards/Generic/Tests/NamingConventions/AbstractClassNamePrefixUnitTest.2.inc

@@ -0,0 +1,7 @@
+<?php
+
+// Intentional parse error (no class name).
+// This should be the only test in this file.
+// Testing that the sniff is *not* triggered.
+
+abstract class