Tests/BackfillEnum: update token calculations

... after the bugfix for `T_GOTO_LABEL`.

Also added a minor tweak to one test case to make sure that spacing around the type colon is handled correctly.

Author: jrfnl

tests/Core/Tokenizer/BackfillEnumTest.inc

@@ -13,7 +13,7 @@ enum Boo: int {
 }
 
 /* testBackedStringEnum */
-enum Hoo: string
+enum Hoo : string
 {
     case ONE = 'one';
     case TWO = 'two';

tests/Core/Tokenizer/BackfillEnumTest.php

@@ -87,20 +87,20 @@ public function dataEnums()
             [
                 '/* testBackedIntEnum */',
                 'enum',
-                6,
-                28,
+                7,
+                29,
             ],
             [
                 '/* testBackedStringEnum */',
                 'enum',
-                6,
-                28,
+                8,
+                30,
             ],
             [
                 '/* testComplexEnum */',
                 'enum',
-                10,
-                71,
+                11,
+                72,
             ],
             [
                 '/* testEnumWithEnumAsClassName */',