diff --git a/tests/dns.py b/tests/test_dns.py
similarity index 100%
rename from tests/dns.py
rename to tests/test_dns.py
diff --git a/tests/mail.py b/tests/test_mail.py
similarity index 100%
rename from tests/mail.py
rename to tests/test_mail.py
diff --git a/tests/smtp_server.py b/tests/test_smtp_server.py
similarity index 100%
rename from tests/smtp_server.py
rename to tests/test_smtp_server.py