Added tests folder to phpstan

Author: ViniTou

phpstan.neon

@@ -4,3 +4,4 @@ parameters:
     checkMissingCallableSignature: true
     paths:
         - src
+        - tests

tests/lib/PhpCsFixer/InternalConfigFactoryTest.php

@@ -37,6 +37,9 @@ protected function setUp(): void
 
     /**
      * @dataProvider provideRuleSetTestCases
+     *
+     * @param array{name: string, version: string, pretty_version?: string} $package
+     * @param class-string $expectedRuleSetClass
      */
     public function testVersionBasedRuleSetSelection(
         array $package,
@@ -47,6 +50,9 @@ public function testVersionBasedRuleSetSelection(
         self::assertInstanceOf($expectedRuleSetClass, $ruleSet);
     }
 
+    /**
+     * @return array<string, array{0: array{name: string, version: string, pretty_version?: string}, 1: class-string}>
+     */
     public function provideRuleSetTestCases(): array
     {
         return [

tests/lib/PhpCsFixer/Rule/MultilineParametersFixerTest.php

@@ -34,6 +34,9 @@ public function testFix(
         self::assertSame($expected, $tokens->generateCode());
     }
 
+    /**
+     * @return iterable<string, array{0: string, 1: string}>
+     */
     public static function provideFixCases(): iterable
     {
         yield 'single parameter should not be modified' => [