diff --git a/tests/AuthorizationValidators/BearerTokenValidatorTest.php b/tests/AuthorizationValidators/BearerTokenValidatorTest.php
index 25c7b188..69e56995 100644
--- a/tests/AuthorizationValidators/BearerTokenValidatorTest.php
+++ b/tests/AuthorizationValidators/BearerTokenValidatorTest.php
@@ -28,8 +28,7 @@ class BearerTokenValidatorTest extends TestCase
             ->set('scopes', 'scope1 scope2 scope3 scope4')
             ->getToken();
 
-        $request = new ServerRequest();
-        $request = $request->withHeader('authorization', sprintf('Bearer %s', $unsignedJwt));
+        $request = (new ServerRequest())->withHeader('authorization', sprintf('Bearer %s', $unsignedJwt));
 
         $this->expectException(\League\OAuth2\Server\Exception\OAuthServerException::class);
         $this->expectExceptionCode(9);
diff --git a/tests/Grant/AbstractGrantTest.php b/tests/Grant/AbstractGrantTest.php
index ea0afbca..a4b94264 100644
--- a/tests/Grant/AbstractGrantTest.php
+++ b/tests/Grant/AbstractGrantTest.php
@@ -30,8 +30,7 @@ class AbstractGrantTest extends TestCase
         $grantMock = $this->getMockForAbstractClass(AbstractGrant::class);
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withHeader('Authorization', 'Basic ' . base64_encode('Open:Sesame'));
+        $serverRequest = (new ServerRequest())->withHeader('Authorization', 'Basic ' . base64_encode('Open:Sesame'));
         $basicAuthMethod = $abstractGrantReflection->getMethod('getBasicAuthCredentials');
         $basicAuthMethod->setAccessible(true);
 
@@ -44,8 +43,7 @@ class AbstractGrantTest extends TestCase
         $grantMock = $this->getMockForAbstractClass(AbstractGrant::class);
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withHeader('Authorization', 'Basic ' . base64_encode('Open:'));
+        $serverRequest = (new ServerRequest())->withHeader('Authorization', 'Basic ' . base64_encode('Open:'));
         $basicAuthMethod = $abstractGrantReflection->getMethod('getBasicAuthCredentials');
         $basicAuthMethod->setAccessible(true);
 
@@ -58,8 +56,7 @@ class AbstractGrantTest extends TestCase
         $grantMock = $this->getMockForAbstractClass(AbstractGrant::class);
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withHeader('Authorization', 'Foo ' . base64_encode('Open:Sesame'));
+        $serverRequest = (new ServerRequest())->withHeader('Authorization', 'Foo ' . base64_encode('Open:Sesame'));
         $basicAuthMethod = $abstractGrantReflection->getMethod('getBasicAuthCredentials');
         $basicAuthMethod->setAccessible(true);
 
@@ -72,8 +69,7 @@ class AbstractGrantTest extends TestCase
         $grantMock = $this->getMockForAbstractClass(AbstractGrant::class);
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withHeader('Authorization', 'Basic ||');
+        $serverRequest = (new ServerRequest())->withHeader('Authorization', 'Basic ||');
         $basicAuthMethod = $abstractGrantReflection->getMethod('getBasicAuthCredentials');
         $basicAuthMethod->setAccessible(true);
 
@@ -86,8 +82,7 @@ class AbstractGrantTest extends TestCase
         $grantMock = $this->getMockForAbstractClass(AbstractGrant::class);
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withHeader('Authorization', 'Basic ' . base64_encode('OpenSesame'));
+        $serverRequest = (new ServerRequest())->withHeader('Authorization', 'Basic ' . base64_encode('OpenSesame'));
         $basicAuthMethod = $abstractGrantReflection->getMethod('getBasicAuthCredentials');
         $basicAuthMethod->setAccessible(true);
 
@@ -107,12 +102,10 @@ class AbstractGrantTest extends TestCase
 
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody(
-            [
-                'client_id' => 'foo',
-            ]
-        );
+        $serverRequest = (new ServerRequest())->withParsedBody([
+            'client_id' => 'foo',
+        ]);
+
         $validateClientMethod = $abstractGrantReflection->getMethod('validateClient');
         $validateClientMethod->setAccessible(true);
 
@@ -133,14 +126,12 @@ class AbstractGrantTest extends TestCase
 
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody(
-            [
-                'client_id'     => 'foo',
-                'client_secret' => 'bar',
-                'redirect_uri'  => 'http://foo/bar',
-            ]
-        );
+        $serverRequest = (new ServerRequest())->withParsedBody([
+            'client_id'     => 'foo',
+            'client_secret' => 'bar',
+            'redirect_uri'  => 'http://foo/bar',
+        ]);
+
         $validateClientMethod = $abstractGrantReflection->getMethod('validateClient');
         $validateClientMethod->setAccessible(true);
 
@@ -148,7 +139,6 @@ class AbstractGrantTest extends TestCase
         $this->assertEquals($client, $result);
     }
 
-
     public function testValidateClientMissingClientId()
     {
         $client = new ClientEntity();
@@ -181,8 +171,7 @@ class AbstractGrantTest extends TestCase
 
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody([
+        $serverRequest = (new ServerRequest())->withParsedBody([
             'client_id' => 'foo',
         ]);
 
@@ -205,8 +194,7 @@ class AbstractGrantTest extends TestCase
 
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody([
+        $serverRequest = (new ServerRequest())->withParsedBody([
             'client_id'     => 'foo',
             'client_secret' => 'foo',
         ]);
@@ -232,8 +220,7 @@ class AbstractGrantTest extends TestCase
 
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody([
+        $serverRequest = (new ServerRequest())->withParsedBody([
             'client_id'    => 'foo',
             'redirect_uri' => 'http://bar/foo',
         ]);
@@ -259,8 +246,7 @@ class AbstractGrantTest extends TestCase
 
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody([
+        $serverRequest = (new ServerRequest())->withParsedBody([
             'client_id'    => 'foo',
             'redirect_uri' => 'http://bar/foo',
         ]);
@@ -284,8 +270,7 @@ class AbstractGrantTest extends TestCase
 
         $abstractGrantReflection = new \ReflectionClass($grantMock);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody([
+        $serverRequest = (new ServerRequest())->withParsedBody([
             'client_id'     => 'foo',
             'client_secret' => 'bar',
         ]);
@@ -303,8 +288,7 @@ class AbstractGrantTest extends TestCase
         $grantMock = $this->getMockForAbstractClass(AbstractGrant::class);
         $grantMock->method('getIdentifier')->willReturn('foobar');
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody([
+        $serverRequest = (new ServerRequest())->withParsedBody([
             'grant_type' => 'foobar',
         ]);
 
@@ -416,8 +400,7 @@ class AbstractGrantTest extends TestCase
         $method = $abstractGrantReflection->getMethod('getCookieParameter');
         $method->setAccessible(true);
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withCookieParams([
+        $serverRequest = (new ServerRequest())->withCookieParams([
             'foo' => 'bar',
         ]);
 
diff --git a/tests/Grant/ClientCredentialsGrantTest.php b/tests/Grant/ClientCredentialsGrantTest.php
index b02f1190..54be52fd 100644
--- a/tests/Grant/ClientCredentialsGrantTest.php
+++ b/tests/Grant/ClientCredentialsGrantTest.php
@@ -48,13 +48,10 @@ class ClientCredentialsGrantTest extends TestCase
         $grant->setDefaultScope(self::DEFAULT_SCOPE);
         $grant->setPrivateKey(new CryptKey('file://' . __DIR__ . '/../Stubs/private.key'));
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody(
-            [
-                'client_id'     => 'foo',
-                'client_secret' => 'bar',
-            ]
-        );
+        $serverRequest = (new ServerRequest())->withParsedBody([
+            'client_id'     => 'foo',
+            'client_secret' => 'bar',
+        ]);
 
         $responseType = new StubResponseType();
         $grant->respondToAccessTokenRequest($serverRequest, $responseType, new DateInterval('PT5M'));
diff --git a/tests/Grant/PasswordGrantTest.php b/tests/Grant/PasswordGrantTest.php
index 4b7de98a..6568d06a 100644
--- a/tests/Grant/PasswordGrantTest.php
+++ b/tests/Grant/PasswordGrantTest.php
@@ -64,15 +64,12 @@ class PasswordGrantTest extends TestCase
         $grant->setDefaultScope(self::DEFAULT_SCOPE);
         $grant->setPrivateKey(new CryptKey('file://' . __DIR__ . '/../Stubs/private.key'));
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody(
-            [
-                'client_id'     => 'foo',
-                'client_secret' => 'bar',
-                'username'      => 'foo',
-                'password'      => 'bar',
-            ]
-        );
+        $serverRequest = (new ServerRequest())->withParsedBody([
+            'client_id'     => 'foo',
+            'client_secret' => 'bar',
+            'username'      => 'foo',
+            'password'      => 'bar',
+        ]);
 
         $responseType = new StubResponseType();
         $grant->respondToAccessTokenRequest($serverRequest, $responseType, new DateInterval('PT5M'));
@@ -110,15 +107,12 @@ class PasswordGrantTest extends TestCase
         $grant->setDefaultScope(self::DEFAULT_SCOPE);
         $grant->setPrivateKey(new CryptKey('file://' . __DIR__ . '/../Stubs/private.key'));
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody(
-            [
-                'client_id'     => 'foo',
-                'client_secret' => 'bar',
-                'username'      => 'foo',
-                'password'      => 'bar',
-            ]
-        );
+        $serverRequest = (new ServerRequest())->withParsedBody([
+            'client_id'     => 'foo',
+            'client_secret' => 'bar',
+            'username'      => 'foo',
+            'password'      => 'bar',
+        ]);
 
         $responseType = new StubResponseType();
         $grant->respondToAccessTokenRequest($serverRequest, $responseType, new \DateInterval('PT5M'));
diff --git a/tests/Grant/RefreshTokenGrantTest.php b/tests/Grant/RefreshTokenGrantTest.php
index 632cbe80..21a5eeb8 100644
--- a/tests/Grant/RefreshTokenGrantTest.php
+++ b/tests/Grant/RefreshTokenGrantTest.php
@@ -80,8 +80,7 @@ class RefreshTokenGrantTest extends TestCase
             )
         );
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody([
+        $serverRequest = (new ServerRequest())->withParsedBody([
             'client_id'     => 'foo',
             'client_secret' => 'bar',
             'refresh_token' => $oldRefreshToken,
@@ -137,8 +136,7 @@ class RefreshTokenGrantTest extends TestCase
             )
         );
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody([
+        $serverRequest = (new ServerRequest())->withParsedBody([
             'client_id'     => 'foo',
             'client_secret' => 'bar',
             'refresh_token' => $oldRefreshToken,
@@ -192,15 +190,12 @@ class RefreshTokenGrantTest extends TestCase
             )
         );
 
-        $serverRequest = new ServerRequest();
-        $serverRequest = $serverRequest->withParsedBody(
-            [
-                'client_id'     => 'foo',
-                'client_secret' => 'bar',
-                'refresh_token' => $oldRefreshToken,
-                'scope'         => 'foo',
-            ]
-        );
+        $serverRequest = (new ServerRequest())->withParsedBody([
+            'client_id'     => 'foo',
+            'client_secret' => 'bar',
+            'refresh_token' => $oldRefreshToken,
+            'scope'         => 'foo',
+        ]);
 
         $responseType = new StubResponseType();
         $grant->respondToAccessTokenRequest($serverRequest, $responseType, new DateInterval('PT5M'));
diff --git a/tests/Middleware/ResourceServerMiddlewareTest.php b/tests/Middleware/ResourceServerMiddlewareTest.php
index 7210567b..4f2d3079 100644
--- a/tests/Middleware/ResourceServerMiddlewareTest.php
+++ b/tests/Middleware/ResourceServerMiddlewareTest.php
@@ -35,8 +35,7 @@ class ResourceServerMiddlewareTest extends TestCase
 
         $token = (string) $accessToken;
 
-        $request = new ServerRequest();
-        $request = $request->withHeader('authorization', sprintf('Bearer %s', $token));
+        $request = (new ServerRequest())->withHeader('authorization', sprintf('Bearer %s', $token));
 
         $middleware = new ResourceServerMiddleware($server);
         $response = $middleware->__invoke(
@@ -71,8 +70,7 @@ class ResourceServerMiddlewareTest extends TestCase
 
         $token = (string) $accessToken;
 
-        $request = new ServerRequest();
-        $request = $request->withHeader('authorization', sprintf('Bearer %s', $token));
+        $request = (new ServerRequest())->withHeader('authorization', sprintf('Bearer %s', $token));
 
         $middleware = new ResourceServerMiddleware($server);
         $response = $middleware->__invoke(
@@ -95,8 +93,7 @@ class ResourceServerMiddlewareTest extends TestCase
             'file://' . __DIR__ . '/../Stubs/public.key'
         );
 
-        $request = new ServerRequest();
-        $request = $request->withHeader('authorization', '');
+        $request = (new ServerRequest())->withHeader('authorization', '');
 
         $middleware = new ResourceServerMiddleware($server);
         $response = $middleware->__invoke(
diff --git a/tests/ResponseTypes/BearerResponseTypeTest.php b/tests/ResponseTypes/BearerResponseTypeTest.php
index 97bc37aa..0c4a46fc 100644
--- a/tests/ResponseTypes/BearerResponseTypeTest.php
+++ b/tests/ResponseTypes/BearerResponseTypeTest.php
@@ -142,8 +142,7 @@ class BearerResponseTypeTest extends TestCase
         $authorizationValidator = new BearerTokenValidator($accessTokenRepositoryMock);
         $authorizationValidator->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
 
-        $request = new ServerRequest();
-        $request = $request->withHeader('authorization', sprintf('Bearer %s', $json->access_token));
+        $request = (new ServerRequest())->withHeader('authorization', sprintf('Bearer %s', $json->access_token));
 
         $request = $authorizationValidator->validateAuthorization($request);
 
@@ -185,8 +184,7 @@ class BearerResponseTypeTest extends TestCase
         $authorizationValidator = new BearerTokenValidator($accessTokenRepositoryMock);
         $authorizationValidator->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
 
-        $request = new ServerRequest();
-        $request = $request->withHeader('authorization', sprintf('Bearer %s', $json->access_token . 'foo'));
+        $request = (new ServerRequest())->withHeader('authorization', sprintf('Bearer %s', $json->access_token . 'foo'));
 
         try {
             $authorizationValidator->validateAuthorization($request);
@@ -231,8 +229,7 @@ class BearerResponseTypeTest extends TestCase
         $authorizationValidator = new BearerTokenValidator($accessTokenRepositoryMock);
         $authorizationValidator->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
 
-        $request = new ServerRequest();
-        $request = $request->withHeader('authorization', sprintf('Bearer %s', $json->access_token));
+        $request = (new ServerRequest())->withHeader('authorization', sprintf('Bearer %s', $json->access_token));
 
         try {
             $authorizationValidator->validateAuthorization($request);
@@ -255,8 +252,7 @@ class BearerResponseTypeTest extends TestCase
         $authorizationValidator = new BearerTokenValidator($accessTokenRepositoryMock);
         $authorizationValidator->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
 
-        $request = new ServerRequest();
-        $request = $request->withHeader('authorization', 'Bearer blah');
+        $request = (new ServerRequest())->withHeader('authorization', 'Bearer blah');
 
         try {
             $authorizationValidator->validateAuthorization($request);
@@ -279,8 +275,7 @@ class BearerResponseTypeTest extends TestCase
         $authorizationValidator = new BearerTokenValidator($accessTokenRepositoryMock);
         $authorizationValidator->setPublicKey(new CryptKey('file://' . __DIR__ . '/../Stubs/public.key'));
 
-        $request = new ServerRequest();
-        $request = $request->withHeader('authorization', 'Bearer blah.blah.blah');
+        $request = (new ServerRequest())->withHeader('authorization', 'Bearer blah.blah.blah');
 
         try {
             $authorizationValidator->validateAuthorization($request);