diff --git a/tests/CodeChallengeVerifiers/PlainVerifier.php b/tests/CodeChallengeVerifiers/PlainVerifierTest.php
similarity index 100%
rename from tests/CodeChallengeVerifiers/PlainVerifier.php
rename to tests/CodeChallengeVerifiers/PlainVerifierTest.php
diff --git a/tests/CodeChallengeVerifiers/S256Verifier.php b/tests/CodeChallengeVerifiers/S256VerifierTest.php
similarity index 96%
rename from tests/CodeChallengeVerifiers/S256Verifier.php
rename to tests/CodeChallengeVerifiers/S256VerifierTest.php
index 2bf14353..cb96c000 100644
--- a/tests/CodeChallengeVerifiers/S256Verifier.php
+++ b/tests/CodeChallengeVerifiers/S256VerifierTest.php
@@ -5,7 +5,7 @@ namespace LeagueTests\CodeChallengeVerifiers;
 use League\OAuth2\Server\CodeChallengeVerifiers\S256Verifier;
 use PHPUnit\Framework\TestCase;
 
-class S256Verifier extends TestCase
+class S256VerifierTest extends TestCase
 {
     public function testGetMethod()
     {