Fix types

Author: kubawerlos

tests/Fixer/AbstractFixerTestCase.php

@@ -157,7 +157,7 @@ final protected static function getFixer(): FixerInterface
     }
 
     /**
-     * @param null|array<string, mixed> $configuration
+     * @param array<string, mixed> $configuration
      */
     final protected function doTest(string $expected, ?string $input = null, array $configuration = [], ?WhitespacesFixerConfig $whitespacesFixerConfig = null): void
     {

tests/Fixer/NumericLiteralSeparatorFixerTest.php

@@ -71,11 +71,11 @@ public function testReversingCodeSample(): void
     }
 
     /**
-     * @param null|array<string, null|bool> $configuration
+     * @param array<string, null|bool> $configuration
      *
      * @dataProvider provideFixCases
      */
-    public function testFix(string $expected, ?string $input = null, ?array $configuration = null): void
+    public function testFix(string $expected, ?string $input = null, array $configuration = []): void
     {
         $this->doTest(
             $expected,

tests/Fixer/PromotedConstructorPropertyFixerTest.php

@@ -37,7 +37,7 @@ public function testIsRisky(): void
      *
      * @dataProvider provideFixCases
      */
-    public function testFix(string $expected, ?string $input = null, ?array $configuration = []): void
+    public function testFix(string $expected, ?string $input = null, array $configuration = []): void
     {
         $this->doTest($expected, $input, $configuration);
     }