diff --git a/tests/Grant/AuthCodeGrantTest.php b/tests/Grant/AuthCodeGrantTest.php
index b6c827316..4e0586109 100644
--- a/tests/Grant/AuthCodeGrantTest.php
+++ b/tests/Grant/AuthCodeGrantTest.php
@@ -509,8 +509,7 @@ public function testValidateAuthorizationRequestInvalidScopes(): void
             return;
         }
 
-        $this->expectException(OAuthServerException::class);
-        $this->expectExceptionCode(5);
+        $this->fail('The expected exception was not thrown');
     }
 
     public function testCompleteAuthorizationRequest(): void
@@ -595,8 +594,7 @@ public function testCompleteAuthorizationRequestDenied(): void
             return;
         }
 
-        $this->expectException(OAuthServerException::class);
-        $this->expectExceptionCode(9);
+        $this->fail('The expected exception was not thrown');
     }
 
     public function testRespondToAccessTokenRequest(): void
diff --git a/tests/Grant/ImplicitGrantTest.php b/tests/Grant/ImplicitGrantTest.php
index 30ad4cb6c..c38f59629 100644
--- a/tests/Grant/ImplicitGrantTest.php
+++ b/tests/Grant/ImplicitGrantTest.php
@@ -241,8 +241,7 @@ public function testValidateAuthorizationRequestInvalidScopes(): void
             return;
         }
 
-        $this->expectException(OAuthServerException::class);
-        $this->expectExceptionCode(5);
+        $this->fail('Did not throw expected exception');
     }
 
     public function testCompleteAuthorizationRequest(): void
@@ -311,8 +310,7 @@ public function testCompleteAuthorizationRequestDenied(): void
             return;
         }
 
-        $this->expectException(OAuthServerException::class);
-        $this->expectExceptionCode(9);
+        $this->fail('Did not throw expected exception');
     }
 
     public function testAccessTokenRepositoryUniqueConstraintCheck(): void