test: drop majyk per-lang-version coverage level (#28)

Closes #27.

Author: tseaver

noxfile.py

@@ -91,7 +91,7 @@ def default(session, django_dep=('django',)):
         '--cov-append',
         '--cov-config=.coveragerc',
         '--cov-report=',
-        '--cov-fail-under=97',
+        '--cov-fail-under=0',
         'tests/unit',
         *session.posargs
     )
@@ -179,4 +179,4 @@ def docs(session):
         os.path.join("docs", "_build", "doctrees", ""),
         os.path.join("docs", ""),
         os.path.join("docs", "_build", "html", ""),
-    )
+    )