Add python2 tests.

tests/lib/pysol_tests/import_file1.py

@@ -123,7 +123,7 @@ KD QC 5C QH 6S 3D
         self.assertEqual(1, 1, 'card2str2 works')
 
 
-if __name__ == '__main__':
+def mymain():
     from pycotap import TAPTestRunner
     suite = unittest.TestLoader().loadTestsFromTestCase(MyTests)
     TAPTestRunner().run(suite)

tests/unit/import_file1.py

@@ -0,0 +1,5 @@
+#!/usr/bin/python
+
+from pysol_tests.import_file1 import mymain
+
+mymain()

tests/unit/import_file1_py3.py

@@ -0,0 +1,5 @@
+#!/usr/bin/python3
+
+from pysol_tests.import_file1 import mymain
+
+mymain()