clean 'suite' remaining from unittest

orangecontrib/est/test/__init__.py

@@ -25,25 +25,4 @@
 
 __authors__ = ["H.Payno"]
 __license__ = "MIT"
-__date__ = "15/05/2017"
-
-import unittest
-from .test_larch_workflow import suite as test_larch_workflow_suite
-from .test_pymca_workflow import suite as test_pymca_workflow_suite
-from .test_converter import suite as test_converter_suite
-from .test_workflow_concept import suite as test_workflow_concept_suite
-from ..widgets import test as test_widgets
-
-
-def suite(loader=None, pattern="test*.py"):
-    test_suite = unittest.TestSuite()
-    test_suite.addTest(test_widgets.suite())
-    test_suite.addTest(test_larch_workflow_suite())
-    test_suite.addTest(test_pymca_workflow_suite())
-    test_suite.addTests(test_converter_suite())
-    test_suite.addTest(test_workflow_concept_suite())
-    return test_suite
-
-
-if __name__ == "__main__":
-    unittest.main(defaultTest="suite")
+__date__ = "22/07/2021"