Fix special card groups option for non en_us languages (#219)

* fix a bunch of formatting problems that only show up for combined card types in languages other than english
* add tests that actually perform generation during testing

domdiv/tests/generation_tests.py

@@ -0,0 +1,24 @@
+from __future__ import print_function
+
+import pytest
+
+from .. import main
+
+
+def get_clean_opts(opts):
+    options = main.parse_opts(opts)
+    options = main.clean_opts(options)
+    return options
+
+
+def test_standard_opts():
+    # should be the default
+    options = get_clean_opts([])
+    main.generate(options)
+
+
+@pytest.mark.parametrize("lang", main.get_languages('card_db'))
+def test_grouped(lang):
+    print('checking ' + lang)
+    options = get_clean_opts(['--special-card-groups', '--language={}'.format(lang)])
+    main.generate(options)