diff --git a/tests/Unit/Handshake/RequestVerifierTest.php b/tests/unit/Handshake/RequestVerifierTest.php
similarity index 100%
rename from tests/Unit/Handshake/RequestVerifierTest.php
rename to tests/unit/Handshake/RequestVerifierTest.php
diff --git a/tests/Unit/Messaging/Protocol/FrameTest.php b/tests/unit/Messaging/Protocol/FrameTest.php
similarity index 100%
rename from tests/Unit/Messaging/Protocol/FrameTest.php
rename to tests/unit/Messaging/Protocol/FrameTest.php
diff --git a/tests/Unit/Messaging/Protocol/MessageTest.php b/tests/unit/Messaging/Protocol/MessageTest.php
similarity index 100%
rename from tests/Unit/Messaging/Protocol/MessageTest.php
rename to tests/unit/Messaging/Protocol/MessageTest.php