Fix typos and cleanup

Author: pokyunn

tests/Feature/PsrTest.php

@@ -5,10 +5,10 @@
 use GuzzleHttp\Psr7\Uri;
 use Saloon\Http\Faking\MockClient;
 use Saloon\Http\Faking\MockResponse;
-use Saloon\Tests\Fixtures\Requests\ModifiedPsrUserRequest;
+use Saloon\Tests\Fixtures\Connectors\TestConnector;
 use Saloon\Tests\Fixtures\Requests\NullHeaderRequest;
+use Saloon\Tests\Fixtures\Requests\ModifiedPsrUserRequest;
 use Saloon\Tests\Fixtures\Connectors\ModifiedPsrRequestConnector;
-use Saloon\Tests\Fixtures\Connectors\TestConnector;
 
 test('the connector and request can modify the psr request when it is created', function () {
     $mockClient = new MockClient([
@@ -29,7 +29,7 @@
     expect($response->getPsrRequest()->getHeaders())->toHaveKey('X-Howdy', ['Yeehaw']);
 });
 
-test('The psr request and readers must be converted to empty string', function () {
+test('The psr request headers must be converted to empty string', function () {
     $mockClient = new MockClient([
         MockResponse::make(headers: ['X-Null-Header' => null]),
     ]);
@@ -42,6 +42,6 @@
     // The request will convert null to empty string
     expect($response->getPsrRequest()->getHeader('X-Null-Header')[0])->toBe('');
 
-    // The responde will convert null header to empty string
+    // The response will convert null header to empty string
     expect($response->headers()->get('X-Null-Header'))->toBe('');
 });

tests/Fixtures/Requests/NullHeaderRequest.php

@@ -30,11 +30,4 @@ protected function defaultHeaders(): array
             'X-Null-Header' => null,
         ];
     }
-
-    protected function defaultConfig(): array
-    {
-        return [
-            'timeout' => 5,
-        ];
-    }
 }