diff --git a/tests/Authentication/Authenticators/JWTAuthenticatorTest.php b/tests/Authentication/Authenticators/JWTAuthenticatorTest.php
index 5c074df12..3bd24070f 100644
--- a/tests/Authentication/Authenticators/JWTAuthenticatorTest.php
+++ b/tests/Authentication/Authenticators/JWTAuthenticatorTest.php
@@ -105,7 +105,7 @@ public function testCheckNoToken(): void
 
         $this->assertFalse($result->isOK());
         $this->assertSame(
-            \lang('Auth.noToken', [config(AuthJWT::class)->authenticatorHeader]),
+            \lang('Auth.noToken', [config('AuthJWT')->authenticatorHeader]),
             $result->reason()
         );
     }
diff --git a/tests/Authentication/Filters/JWTFilterTest.php b/tests/Authentication/Filters/JWTFilterTest.php
index 082627888..e8f4d3b39 100644
--- a/tests/Authentication/Filters/JWTFilterTest.php
+++ b/tests/Authentication/Filters/JWTFilterTest.php
@@ -33,7 +33,8 @@ protected function setUp(): void
         $_SESSION = [];
 
         // Add JWT Authenticator
-        $config                        = config(Auth::class);
+        /** @var Auth $config */
+        $config                        = config('Auth');
         $config->authenticators['jwt'] = JWT::class;
 
         // Register our filter
diff --git a/tests/Unit/Authentication/JWT/Adapters/FirebaseAdapaterTest.php b/tests/Unit/Authentication/JWT/Adapters/FirebaseAdapaterTest.php
index 9618c151e..8385a3f00 100644
--- a/tests/Unit/Authentication/JWT/Adapters/FirebaseAdapaterTest.php
+++ b/tests/Unit/Authentication/JWT/Adapters/FirebaseAdapaterTest.php
@@ -82,7 +82,8 @@ public function testDecodeInvalidTokenExceptionUnexpectedValueException(): void
         $token = $this->generateJWT();
 
         // Change algorithm and it makes the key invalid.
-        $config                            = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config                            = config('AuthJWT');
         $config->keys['default'][0]['alg'] = 'ES256';
 
         $adapter = new FirebaseAdapter();
@@ -110,7 +111,8 @@ public function testDecodeInvalidArgumentException(): void
         $token = $this->generateJWT();
 
         // Set invalid key.
-        $config                     = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config                     = config('AuthJWT');
         $config->keys['default'][0] = [
             'alg'    => '',
             'secret' => '',
@@ -128,7 +130,8 @@ public function testEncodeLogicExceptionLogicException(): void
         $this->expectExceptionMessage('Cannot encode JWT: Algorithm not supported');
 
         // Set unsupported algorithm.
-        $config                            = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config                            = config('AuthJWT');
         $config->keys['default'][0]['alg'] = 'PS256';
 
         $adapter = new FirebaseAdapter();
diff --git a/tests/Unit/Authentication/JWT/JWTManagerTest.php b/tests/Unit/Authentication/JWT/JWTManagerTest.php
index 7f5adfc1a..045e70633 100644
--- a/tests/Unit/Authentication/JWT/JWTManagerTest.php
+++ b/tests/Unit/Authentication/JWT/JWTManagerTest.php
@@ -55,7 +55,8 @@ public function testGenerateTokenPayload(array $data): void
         $manager = $this->createJWTManager();
         $payload = $manager->parse($token);
 
-        $config   = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config   = config('AuthJWT');
         $expected = [
             'iss' => $config->defaultClaims['iss'],
             'sub' => '1',
@@ -121,7 +122,8 @@ public function testIssuePayload(array $data): void
         $manager = $this->createJWTManager();
         $payload = $manager->parse($token);
 
-        $config   = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config   = config('AuthJWT');
         $expected = [
             'iss'     => $config->defaultClaims['iss'],
             'user_id' => '1',
@@ -137,7 +139,8 @@ public function testIssueSetKid(): void
         $manager = $this->createJWTManager();
 
         // Set kid
-        $config                            = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config                            = config('AuthJWT');
         $config->keys['default'][0]['kid'] = 'Key01';
 
         $payload = [
@@ -181,7 +184,8 @@ public function testIssueWithAsymmetricKey(): void
     {
         $manager = $this->createJWTManager();
 
-        $config                     = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config                     = config('AuthJWT');
         $config->keys['default'][0] = [
             'alg'     => 'RS256', // algorithm.
             'public'  => '',      // Public Key
@@ -257,7 +261,8 @@ private function decodeJWT(string $token, $part): array
 
     public function testParseCanDecodeTokenSignedByOldKey(): void
     {
-        $config                  = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config                  = config('AuthJWT');
         $config->keys['default'] = [
             [
                 'kid'    => 'Key01',
@@ -294,7 +299,8 @@ public function testParseCanDecodeTokenSignedByOldKey(): void
 
     public function testParseCanSpecifyKey(): void
     {
-        $config                 = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config                 = config('AuthJWT');
         $config->keys['mobile'] = [
             [
                 'kid'    => 'Key01',
@@ -329,7 +335,8 @@ private function generateJWTWithAsymmetricKey(): string
     {
         $manager = $this->createJWTManager();
 
-        $config                     = config(AuthJWT::class);
+        /** @var AuthJWT $config */
+        $config                     = config('AuthJWT');
         $config->keys['default'][0] = [
             'alg'    => 'RS256', // algorithm.
             'public' => <<<'EOD'