maintenance: remove unittest from test_cwl_version

Author: psafont

tests/test_cwl_version.py

@@ -1,16 +1,12 @@
-from __future__ import absolute_import
-
-import unittest
-
 from cwltool.main import main
 
 from .util import get_data
 
 
-class CWLVersionChecks(unittest.TestCase):
-    def test_missing_cwl_version(self):
-        """no cwlVersion in the workflow"""
-        self.assertEqual(main([get_data('tests/wf/missing_cwlVersion.cwl')]), 1)
-    def test_incorrect_cwl_version(self):
-        """using cwlVersion: v0.1 in the workflow"""
-        self.assertEqual(main([get_data('tests/wf/wrong_cwlVersion.cwl')]), 1)
+def test_missing_cwl_version():
+    """no cwlVersion in the workflow"""
+    assert main([get_data('tests/wf/missing_cwlVersion.cwl')]) == 1
+
+def test_incorrect_cwl_version():
+    """using cwlVersion: v0.1 in the workflow"""
+    assert main([get_data('tests/wf/wrong_cwlVersion.cwl')]) == 1