diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index e67104b..f65f4fc 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -2,6 +2,7 @@
 <ruleset name="PHP Language Server">
     <file>src</file>
     <file>tests</file>
+    <exclude-pattern>tests/Validation/cases</exclude-pattern>
     <rule ref="PSR2">
         <exclude name="PSR2.Namespaces.UseDeclaration.MultipleDeclarations"/>
         <exclude name="PSR2.ControlStructures.ElseIfDeclaration.NotAllowed"/>
diff --git a/src/ParserHelpers.php b/src/ParserHelpers.php
index d687d49..5025ae3 100644
--- a/src/ParserHelpers.php
+++ b/src/ParserHelpers.php
@@ -121,4 +121,4 @@ function isConstDefineExpression(Node $node): bool
         && isset($node->argumentExpressionList->children[0])
         && $node->argumentExpressionList->children[0]->expression instanceof Node\StringLiteral
         && isset($node->argumentExpressionList->children[2]);
-}
\ No newline at end of file
+}
diff --git a/tests/Validation/ValidationTest.php b/tests/Validation/ValidationTest.php
index 0142fdf..1973841 100644
--- a/tests/Validation/ValidationTest.php
+++ b/tests/Validation/ValidationTest.php
@@ -43,8 +43,8 @@ class ValidationTest extends TestCase
     }
 
     /**
-     * This test loads the test cases specified in .php files under cases/ and looks at the whole set of 
-     * Definitions and References produced. It reads the expected results from associated .json files 
+     * This test loads the test cases specified in .php files under cases/ and looks at the whole set of
+     * Definitions and References produced. It reads the expected results from associated .json files
      * and compares to the actual result. If they don't match, the test fails and it writes the new baseline
      * to the .json file.
      * @group validation