Fix accessing an undefined variable in ParserTest

Author: oliverklee

phpstan-baseline.neon

@@ -25,8 +25,3 @@ parameters:
 			count: 1
 			path: src/Value/CalcRuleValueList.php
 
-		-
-			message: "#^Variable \\$aActualColorLines might not be defined\\.$#"
-			count: 1
-			path: tests/ParserTest.php
-

tests/ParserTest.php

@@ -858,6 +858,7 @@ public function testLineNumbersParsing()
         $oColor = $aRules[1]->getValue();
         $this->assertEquals(27, $aRules[1]->getLineNo());
 
+        $aActualColorLines = [];
         foreach ($oColor->getColor() as $oSize) {
             $aActualColorLines[] = $oSize->getLineNo();
         }