[12.x] Avoid breaking change RefreshDatabase::usingInMemoryDatabase() (laravel#53587)

While we do allows BC on major release I do feel that this is not needed
for the following use case.

Signed-off-by: Mior Muhammad Zaki <[email protected]>

Author: crynobone

src/Illuminate/Foundation/Testing/RefreshDatabase.php

@@ -48,7 +48,7 @@ protected function usingInMemoryDatabases()
      *
      * @return bool
      */
-    protected function usingInMemoryDatabase(?string $name)
+    protected function usingInMemoryDatabase(?string $name = null)
     {
         if (is_null($name)) {
             $name = config('database.default');

tests/Integration/Queue/SerializableClosureV1QueueTest.php

@@ -17,7 +17,7 @@ class SerializableClosureV1QueueTest extends TestCase
     #[\Override]
     protected function defineEnvironment($app)
     {
-        $this->markTestSkippedWhen($this->usingInMemoryDatabase(null), 'Test does not support using :memory: database connection');
+        $this->markTestSkippedWhen($this->usingInMemoryDatabase(), 'Test does not support using :memory: database connection');
 
         tap($app->make('config'), function ($config) {
             $config->set([