Add test with parenthesis

Author: kubawerlos

tests/PHPStan/Parser/PhpDocParserTest.php

@@ -4463,7 +4463,7 @@ public function provideTagsWithNumbers(): Iterator
 	public function provideTagsWithBackslash(): Iterator
 	{
 		yield [
-			'OK without description and tag with backslash in it',
+			'OK without description and tag with backslashes in it',
 			'/** @ORM\Mapping\Entity User */',
 			new PhpDocNode([
 				new PhpDocTagNode(
@@ -4472,6 +4472,17 @@ public function provideTagsWithBackslash(): Iterator
 				),
 			]),
 		];
+
+		yield [
+			'OK without description and tag with backslashes in it and parenthesis',
+			'/** @ORM\Mapping\JoinColumn(name="column_id", referencedColumnName="id") */',
+			new PhpDocNode([
+				new PhpDocTagNode(
+					'@ORM\Mapping\JoinColumn',
+					new GenericTagValueNode('(name="column_id", referencedColumnName="id")')
+				),
+			]),
+		];
 	}
 
 	/**