add abstract test case

Author: klausi

src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.1.inc

@@ -162,3 +162,7 @@ class FinalTest4 {
     final     const X = "foo";
     final     public const Y = "bar";
 }
+
+abstract    class AbstractTest {
+    abstract    public function foo();
+}

src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.1.inc.fixed

@@ -156,3 +156,7 @@ class FinalTest4 {
     final const X = "foo";
     final public const Y = "bar";
 }
+
+abstract class AbstractTest {
+    abstract public function foo();
+}

src/Standards/Squiz/Tests/WhiteSpace/ScopeKeywordSpacingUnitTest.php

@@ -63,6 +63,8 @@ public function getErrorList($testFile='')
                 158 => 1,
                 162 => 1,
                 163 => 1,
+                166 => 1,
+                167 => 1,
             ];
 
         case 'ScopeKeywordSpacingUnitTest.3.inc':