Merge branch '5.4' into 6.2

* 5.4:
  [Serializer] Fix CsvEncoder decode on empty data
  [Tests] Migrate data providers to static ones
  stop using assertObjectHasAttribute()/assertObjectHasNotAttribute()
  [Dotenv] Fix phpdoc Dotenv
  [Config] Fix phpdoc nullable
  Fix some typos

Author: nicolas-grekas

HeaderUtils.php

@@ -138,7 +138,7 @@ public static function quote(string $s): string
      * Decodes a quoted string.
      *
      * If passed an unquoted string that matches the "token" construct (as
-     * defined in the HTTP specification), it is passed through verbatimly.
+     * defined in the HTTP specification), it is passed through verbatim.
      */
     public static function unquote(string $s): string
     {

Tests/RequestTest.php

@@ -1687,10 +1687,7 @@ public function testGetSession()
         $request->setSession(new Session(new MockArraySessionStorage()));
         $this->assertTrue($request->hasSession());
 
-        $session = $request->getSession();
-        $this->assertObjectHasAttribute('storage', $session);
-        $this->assertObjectHasAttribute('flashName', $session);
-        $this->assertObjectHasAttribute('attributeName', $session);
+        $this->assertInstanceOf(Session::class, $request->getSession());
     }
 
     public function testHasPreviousSession()

Tests/ResponseTest.php

@@ -39,24 +39,14 @@ public function testSendHeaders()
     {
         $response = new Response();
         $headers = $response->sendHeaders();
-        $this->assertObjectHasAttribute('headers', $headers);
-        $this->assertObjectHasAttribute('content', $headers);
-        $this->assertObjectHasAttribute('version', $headers);
-        $this->assertObjectHasAttribute('statusCode', $headers);
-        $this->assertObjectHasAttribute('statusText', $headers);
-        $this->assertObjectHasAttribute('charset', $headers);
+        $this->assertSame($response, $headers);
     }
 
     public function testSend()
     {
         $response = new Response();
-        $responseSent = $response->send();
-        $this->assertObjectHasAttribute('headers', $responseSent);
-        $this->assertObjectHasAttribute('content', $responseSent);
-        $this->assertObjectHasAttribute('version', $responseSent);
-        $this->assertObjectHasAttribute('statusCode', $responseSent);
-        $this->assertObjectHasAttribute('statusText', $responseSent);
-        $this->assertObjectHasAttribute('charset', $responseSent);
+        $responseSend = $response->send();
+        $this->assertSame($response, $responseSend);
     }
 
     public function testGetCharset()
@@ -120,12 +110,7 @@ public function testSetNotModified()
     {
         $response = new Response('foo');
         $modified = $response->setNotModified();
-        $this->assertObjectHasAttribute('headers', $modified);
-        $this->assertObjectHasAttribute('content', $modified);
-        $this->assertObjectHasAttribute('version', $modified);
-        $this->assertObjectHasAttribute('statusCode', $modified);
-        $this->assertObjectHasAttribute('statusText', $modified);
-        $this->assertObjectHasAttribute('charset', $modified);
+        $this->assertSame($response, $modified);
         $this->assertEquals(304, $modified->getStatusCode());
 
         ob_start();

Tests/StreamedResponseTest.php

@@ -116,12 +116,7 @@ public function testSetNotModified()
     {
         $response = new StreamedResponse(function () { echo 'foo'; });
         $modified = $response->setNotModified();
-        $this->assertObjectHasAttribute('headers', $modified);
-        $this->assertObjectHasAttribute('content', $modified);
-        $this->assertObjectHasAttribute('version', $modified);
-        $this->assertObjectHasAttribute('statusCode', $modified);
-        $this->assertObjectHasAttribute('statusText', $modified);
-        $this->assertObjectHasAttribute('charset', $modified);
+        $this->assertSame($response, $modified);
         $this->assertEquals(304, $modified->getStatusCode());
 
         ob_start();