diff --git a/tests/Grant/ClientCredentialsGrantTest.php b/tests/Grant/ClientCredentialsGrantTest.php
index a1665831..8ad7e2b7 100644
--- a/tests/Grant/ClientCredentialsGrantTest.php
+++ b/tests/Grant/ClientCredentialsGrantTest.php
@@ -9,11 +9,14 @@ use League\OAuth2\Server\Repositories\ClientRepositoryInterface;
 use League\OAuth2\Server\Repositories\ScopeRepositoryInterface;
 use LeagueTests\Stubs\AccessTokenEntity;
 use LeagueTests\Stubs\ClientEntity;
+use LeagueTests\Stubs\ScopeEntity;
 use LeagueTests\Stubs\StubResponseType;
 use Zend\Diactoros\ServerRequest;
 
 class ClientCredentialsGrantTest extends \PHPUnit_Framework_TestCase
 {
+    const DEFAULT_SCOPE = 'basic';
+
     public function testGetIdentifier()
     {
         $grant = new ClientCredentialsGrant();
@@ -30,13 +33,16 @@ class ClientCredentialsGrantTest extends \PHPUnit_Framework_TestCase
         $accessTokenRepositoryMock->method('getNewToken')->willReturn(new AccessTokenEntity());
         $accessTokenRepositoryMock->method('persistNewAccessToken')->willReturnSelf();
 
+        $scope = new ScopeEntity();
         $scopeRepositoryMock = $this->getMockBuilder(ScopeRepositoryInterface::class)->getMock();
+        $scopeRepositoryMock->method('getScopeEntityByIdentifier')->willReturn($scope);
         $scopeRepositoryMock->method('finalizeScopes')->willReturnArgument(0);
 
         $grant = new ClientCredentialsGrant();
         $grant->setClientRepository($clientRepositoryMock);
         $grant->setAccessTokenRepository($accessTokenRepositoryMock);
         $grant->setScopeRepository($scopeRepositoryMock);
+        $grant->setDefaultScope(self::DEFAULT_SCOPE);
 
         $serverRequest = new ServerRequest();
         $serverRequest = $serverRequest->withParsedBody(
@@ -51,4 +57,4 @@ class ClientCredentialsGrantTest extends \PHPUnit_Framework_TestCase
 
         $this->assertTrue($responseType->getAccessToken() instanceof AccessTokenEntityInterface);
     }
-}
+}
\ No newline at end of file
diff --git a/tests/Grant/ImplicitGrantTest.php b/tests/Grant/ImplicitGrantTest.php
index 3bfe4b84..18cb04b8 100644
--- a/tests/Grant/ImplicitGrantTest.php
+++ b/tests/Grant/ImplicitGrantTest.php
@@ -22,6 +22,8 @@ use Zend\Diactoros\ServerRequest;
 
 class ImplicitGrantTest extends \PHPUnit_Framework_TestCase
 {
+    const DEFAULT_SCOPE = 'basic';
+
     /**
      * CryptTrait stub
      */
@@ -96,6 +98,7 @@ class ImplicitGrantTest extends \PHPUnit_Framework_TestCase
         $grant = new ImplicitGrant(new \DateInterval('PT10M'));
         $grant->setClientRepository($clientRepositoryMock);
         $grant->setScopeRepository($scopeRepositoryMock);
+        $grant->setDefaultScope(self::DEFAULT_SCOPE);
 
         $request = new ServerRequest(
             [],
@@ -130,6 +133,7 @@ class ImplicitGrantTest extends \PHPUnit_Framework_TestCase
         $grant = new ImplicitGrant(new \DateInterval('PT10M'));
         $grant->setClientRepository($clientRepositoryMock);
         $grant->setScopeRepository($scopeRepositoryMock);
+        $grant->setDefaultScope(self::DEFAULT_SCOPE);
 
         $request = new ServerRequest(
             [],
diff --git a/tests/Grant/PasswordGrantTest.php b/tests/Grant/PasswordGrantTest.php
index b380bfb2..ae4b311d 100644
--- a/tests/Grant/PasswordGrantTest.php
+++ b/tests/Grant/PasswordGrantTest.php
@@ -13,12 +13,15 @@ use League\OAuth2\Server\Repositories\UserRepositoryInterface;
 use LeagueTests\Stubs\AccessTokenEntity;
 use LeagueTests\Stubs\ClientEntity;
 use LeagueTests\Stubs\RefreshTokenEntity;
+use LeagueTests\Stubs\ScopeEntity;
 use LeagueTests\Stubs\StubResponseType;
 use LeagueTests\Stubs\UserEntity;
 use Zend\Diactoros\ServerRequest;
 
 class PasswordGrantTest extends \PHPUnit_Framework_TestCase
 {
+    const DEFAULT_SCOPE = 'basic';
+
     public function testGetIdentifier()
     {
         $userRepositoryMock = $this->getMockBuilder(UserRepositoryInterface::class)->getMock();
@@ -46,13 +49,16 @@ class PasswordGrantTest extends \PHPUnit_Framework_TestCase
         $refreshTokenRepositoryMock->method('persistNewRefreshToken')->willReturnSelf();
         $refreshTokenRepositoryMock->method('getNewRefreshToken')->willReturn(new RefreshTokenEntity());
 
+        $scope = new ScopeEntity();
         $scopeRepositoryMock = $this->getMockBuilder(ScopeRepositoryInterface::class)->getMock();
+        $scopeRepositoryMock->method('getScopeEntityByIdentifier')->willReturn($scope);
         $scopeRepositoryMock->method('finalizeScopes')->willReturnArgument(0);
 
         $grant = new PasswordGrant($userRepositoryMock, $refreshTokenRepositoryMock);
         $grant->setClientRepository($clientRepositoryMock);
         $grant->setAccessTokenRepository($accessTokenRepositoryMock);
         $grant->setScopeRepository($scopeRepositoryMock);
+        $grant->setDefaultScope(self::DEFAULT_SCOPE);
 
         $serverRequest = new ServerRequest();
         $serverRequest = $serverRequest->withParsedBody(
diff --git a/tests/Grant/RefreshTokenGrantTest.php b/tests/Grant/RefreshTokenGrantTest.php
index 47d7ad17..514d4c62 100644
--- a/tests/Grant/RefreshTokenGrantTest.php
+++ b/tests/Grant/RefreshTokenGrantTest.php
@@ -20,6 +20,8 @@ use Zend\Diactoros\ServerRequest;
 
 class RefreshTokenGrantTest extends \PHPUnit_Framework_TestCase
 {
+    const DEFAULT_SCOPE = 'basic';
+
     /**
      * @var CryptTraitStub
      */
@@ -61,12 +63,17 @@ class RefreshTokenGrantTest extends \PHPUnit_Framework_TestCase
             ->expects($this->once())
             ->method('persistNewRefreshToken')->willReturnSelf();
 
+        $oldRefreshTokenCheckResult = ['scopes' => $scopeEntity->getIdentifier()];
+
+        $refreshTokenRepositoryMock->method('validateOldRefreshToken')->willReturn($oldRefreshTokenCheckResult);
+
         $grant = new RefreshTokenGrant($refreshTokenRepositoryMock);
         $grant->setClientRepository($clientRepositoryMock);
         $grant->setScopeRepository($scopeRepositoryMock);
         $grant->setAccessTokenRepository($accessTokenRepositoryMock);
         $grant->setEncryptionKey($this->cryptStub->getKey());
         $grant->setPrivateKey(new CryptKey('file://' . __DIR__ . '/../Stubs/private.key'));
+        $grant->setDefaultScope(self::DEFAULT_SCOPE);
 
         $oldRefreshToken = $this->cryptStub->doEncrypt(
             json_encode(