Tests: minor fixes.

test/test_java_websockets.py

@@ -1,10 +1,12 @@
-import pytest
 import struct
 import time
 
+import pytest
+
+from conftest import option
+from conftest import skip_alert
 from unit.applications.lang.java import TestApplicationJava
 from unit.applications.websockets import TestApplicationWebsocket
-from conftest import option, skip_alert
 
 
 class TestJavaWebsockets(TestApplicationJava):