--- a/tests/test_all.py
+++ b/tests/test_all.py
@@ -13,7 +13,7 @@ if __name__ == '__main__':
     import os
     import platform
 
-    from xmlschema.testing import tests_factory, make_schema_test_class, \
+    from xmlschema.testing import factory_tests, make_schema_test_class, \
         make_validation_test_class, get_test_program_args_parser
 
     DEFAULT_TESTFILES = os.path.join(os.path.dirname(__file__), 'test_cases/testfiles')
@@ -46,7 +46,7 @@ if __name__ == '__main__':
 
     args = get_test_program_args_parser(DEFAULT_TESTFILES).parse_args()
 
-    schema_tests = tests_factory(
+    schema_tests = factory_tests(
         test_class_builder=make_schema_test_class,
         testfiles=args.testfiles,
         suffix='xsd',
@@ -54,7 +54,7 @@ if __name__ == '__main__':
     )
     globals().update(schema_tests)
 
-    validation_tests = tests_factory(
+    validation_tests = factory_tests(
         test_class_builder=make_validation_test_class,
         testfiles=args.testfiles,
         suffix='xml',
--- a/tests/test_schemas.py
+++ b/tests/test_schemas.py
@@ -13,7 +13,7 @@
 import os
 
 from xmlschema.testing import get_test_program_args_parser, \
-    tests_factory, make_schema_test_class
+    factory_tests, make_schema_test_class
 
 DEFAULT_TESTFILES = os.path.join(os.path.dirname(__file__), 'test_cases/testfiles')
 
@@ -24,7 +24,7 @@ if __name__ == '__main__':
 
     args = get_test_program_args_parser(DEFAULT_TESTFILES).parse_args()
 
-    schema_tests = tests_factory(
+    schema_tests = factory_tests(
         test_class_builder=make_schema_test_class,
         testfiles=args.testfiles,
         suffix='xsd',
@@ -47,7 +47,7 @@ if __name__ == '__main__':
                   catchbreak=args.catchbreak, buffer=args.buffer)
 else:
     # Creates schema tests from XSD files
-    globals().update(tests_factory(
+    globals().update(factory_tests(
         test_class_builder=make_schema_test_class,
         suffix='xsd',
         testfiles=DEFAULT_TESTFILES
--- a/tests/test_validation.py
+++ b/tests/test_validation.py
@@ -13,7 +13,7 @@
 import os
 
 from xmlschema.testing import get_test_program_args_parser, \
-    tests_factory, make_validation_test_class
+    factory_tests, make_validation_test_class
 
 DEFAULT_TESTFILES = os.path.join(os.path.dirname(__file__), 'test_cases/testfiles')
 
@@ -24,7 +24,7 @@ if __name__ == '__main__':
 
     args = get_test_program_args_parser(DEFAULT_TESTFILES).parse_args()
 
-    validation_tests = tests_factory(
+    validation_tests = factory_tests(
         test_class_builder=make_validation_test_class,
         testfiles=args.testfiles,
         suffix='xml',
@@ -47,7 +47,7 @@ if __name__ == '__main__':
                   catchbreak=args.catchbreak, buffer=args.buffer)
 else:
     # Creates schema tests from XSD files
-    globals().update(tests_factory(
+    globals().update(factory_tests(
         test_class_builder=make_validation_test_class,
         suffix='xml',
         testfiles=DEFAULT_TESTFILES
--- a/xmlschema/testing/__init__.py
+++ b/xmlschema/testing/__init__.py
@@ -23,7 +23,7 @@ from urllib.error import URLError
 from .case_class import XsdValidatorTestCase
 from .builders import make_schema_test_class, make_validation_test_class
 from .factory import get_test_args, xsd_version_number, defuse_data, \
-    get_test_program_args_parser, get_test_line_args_parser, tests_factory
+    get_test_program_args_parser, get_test_line_args_parser, factory_tests
 from .observers import SchemaObserver, ObservedXMLSchema10, ObservedXMLSchema11
 
 
@@ -46,6 +46,6 @@ SKIP_REMOTE_TESTS = not has_network_acce
 __all__ = [
     'XsdValidatorTestCase', 'make_schema_test_class', 'make_validation_test_class',
     'get_test_args', 'xsd_version_number', 'defuse_data', 'get_test_program_args_parser',
-    'get_test_line_args_parser', 'tests_factory', 'SchemaObserver', 'ObservedXMLSchema10',
+    'get_test_line_args_parser', 'factory_tests', 'SchemaObserver', 'ObservedXMLSchema10',
     'ObservedXMLSchema11', 'has_network_access', 'SKIP_REMOTE_TESTS',
 ]
--- a/xmlschema/testing/factory.py
+++ b/xmlschema/testing/factory.py
@@ -117,7 +117,7 @@ def get_test_line_args_parser():
     return parser
 
 
-def tests_factory(test_class_builder, testfiles, suffix, check_with_lxml=False):
+def factory_tests(test_class_builder, testfiles, suffix, check_with_lxml=False):
     """
     Factory function for file based schema/validation cases.