Issue #3359065 by Spokje: Fix PHPStan L1 errors "Fix PHPStan L1 errors "Array has 2 duplicate keys with value 'Foo.SOME_KEY'..."

core/phpstan-baseline.neon

@@ -2865,11 +2865,6 @@ parameters:
 			count: 1
 			path: tests/Drupal/Tests/BrowserTestBase.php
 
-		-
-			message: "#^Array has 2 duplicate keys with value 'ClassWithConstants\\.SOME_KEY' \\(\\\\Drupal\\\\Tests\\\\Component\\\\Annotation\\\\Doctrine\\\\Fixtures\\\\ClassWithConstants\\:\\:SOME_KEY, \\\\Drupal\\\\Tests\\\\Component\\\\Annotation\\\\Doctrine\\\\Fixtures\\\\ClassWithConstants\\:\\:SOME_KEY\\)\\.$#"
-			count: 1
-			path: tests/Drupal/Tests/Component/Annotation/Doctrine/DocParserTest.php
-
 		-
 			message: "#^Constructor of class Symfony\\\\Component\\\\ExpressionLanguage\\\\Expression has an unused parameter \\$expression\\.$#"
 			count: 1

core/tests/Drupal/Tests/Component/Annotation/Doctrine/DocParserTest.php

@@ -830,6 +830,10 @@ DOCBLOCK;
              })',
             array(
                 AnnotationWithConstants::STRING => AnnotationWithConstants::INTEGER,
+                // Since this class is a near-copy of
+                // Doctrine\Tests\Common\Annotations\DocParserTest, we don't fix
+                // PHPStan errors here.
+                // @phpstan-ignore-next-line
                 ClassWithConstants::SOME_KEY    => ClassWithConstants::SOME_VALUE,
                 ClassWithConstants::SOME_KEY    => IntefaceWithConstants::SOME_VALUE
             )