test both 3.0 and 3.1

.gitlab-ci.yml

@@ -43,11 +43,19 @@ test36-django3:
     - pip install -r requirements.txt
     - coverage run --source='basetheme_bootstrap' manage.py test && coverage report  -m
 
-test37-django3:
+test37-django30:
   stage: test
   image: python:3.7
   script:
-    - pip install 'django>=3'
+    - pip install 'django==3.0.*'
+    - pip install -r requirements.txt
+    - coverage run --source='basetheme_bootstrap' manage.py test && coverage report  -m
+
+test37-django31:
+  stage: test
+  image: python:3.7
+  script:
+    - pip install 'django>=3.1'
     - pip install -r requirements.txt
     - coverage run --source='basetheme_bootstrap' manage.py test && coverage report  -m