diff --git a/Tests/ufoLib/test_GLIF1.py b/Tests/ufoLib/GLIF1_test.py
similarity index 100%
rename from Tests/ufoLib/test_GLIF1.py
rename to Tests/ufoLib/GLIF1_test.py
diff --git a/Tests/ufoLib/test_GLIF2.py b/Tests/ufoLib/GLIF2_test.py
similarity index 100%
rename from Tests/ufoLib/test_GLIF2.py
rename to Tests/ufoLib/GLIF2_test.py
diff --git a/Tests/ufoLib/test_UFO1.py b/Tests/ufoLib/UFO1_test.py
similarity index 100%
rename from Tests/ufoLib/test_UFO1.py
rename to Tests/ufoLib/UFO1_test.py
diff --git a/Tests/ufoLib/test_UFO2.py b/Tests/ufoLib/UFO2_test.py
similarity index 100%
rename from Tests/ufoLib/test_UFO2.py
rename to Tests/ufoLib/UFO2_test.py
diff --git a/Tests/ufoLib/test_UFO3.py b/Tests/ufoLib/UFO3_test.py
similarity index 100%
rename from Tests/ufoLib/test_UFO3.py
rename to Tests/ufoLib/UFO3_test.py
diff --git a/Tests/ufoLib/test_UFOConversion.py b/Tests/ufoLib/UFOConversion_test.py
similarity index 100%
rename from Tests/ufoLib/test_UFOConversion.py
rename to Tests/ufoLib/UFOConversion_test.py
diff --git a/Tests/ufoLib/test_UFOZ.py b/Tests/ufoLib/UFOZ_test.py
similarity index 100%
rename from Tests/ufoLib/test_UFOZ.py
rename to Tests/ufoLib/UFOZ_test.py
diff --git a/Tests/ufoLib/test_filenames.py b/Tests/ufoLib/filenames_test.py
similarity index 100%
rename from Tests/ufoLib/test_filenames.py
rename to Tests/ufoLib/filenames_test.py
diff --git a/Tests/ufoLib/test_glifLib.py b/Tests/ufoLib/glifLib_test.py
similarity index 100%
rename from Tests/ufoLib/test_glifLib.py
rename to Tests/ufoLib/glifLib_test.py