maybe?

.circleci/config.yml

@@ -1,26 +1,107 @@
 jobs:
-  build:
+  django-2-0:
     executor:
       name: python/default
       tag: 3.8.0
     steps:
       - checkout
       - python/load-cache:
-          key: python-cache
+          key: python-cache-2-0
       - python/install-deps
       - python/save-cache:
-          key: python-cache
+          key: python-cache-2-0
       - run:
-          command: pip install --user django
-          name: django
+          command: pip install --user Django>=2.0.0,<2.1.0
+          name: Install Django
       - run:
           command: |
             python -m pytest
           name: Test
+
+  django-2-1:
+    executor:
+      name: python/default
+      tag: 3.8.0
+    steps:
+      - checkout
+      - python/load-cache:
+          key: python-cache-2-1
+      - python/install-deps
+      - python/save-cache:
+          key: python-cache-2-1
+      - run:
+          command: pip install --user Django>=2.1.0,<2.2.0
+          name: Install Django
+      - run:
+          command: |
+            python -m pytest
+          name: Test
+
+  django-2-2:
+    executor:
+      name: python/default
+      tag: 3.8.0
+    steps:
+      - checkout
+      - python/load-cache:
+          key: python-cache-2-2
+      - python/install-deps
+      - python/save-cache:
+          key: python-cache-2-2
+      - run:
+          command: pip install --user Django>=2.2.0,<2.3.0
+          name: Install Django
+      - run:
+          command: |
+            python -m pytest
+          name: Test
+
+  django-1-11:
+    executor:
+      name: python/default
+      tag: 2.7.14
+    steps:
+      - checkout
+      - python/load-cache:
+          key: python-cache-1-11
+      - python/install-deps
+      - python/save-cache:
+          key: python-cache-1-11
+      - run:
+          command: pip install --user Django>=1.11,<1.12
+          name: Install Django
+      - run:
+          command: |
+            python -m pytest
+          name: Test
+
+  django-latest:
+    executor:
+      name: python/default
+      tag: 2.7.14
+    steps:
+      - checkout
+      - python/load-cache:
+          key: python-cache-latest
+      - python/install-deps
+      - python/save-cache:
+          key: python-cache-latest
+      - run:
+          command: pip install --user -U Django
+          name: Install Django
+      - run:
+          command: |
+            python -m pytest
+          name: Test
+
 orbs:
   python: circleci/python@0.1
 version: 2.1
 workflows:
   main:
     jobs:
-      - build
+      - django-2-0
+      - django-2-1
+      - django-2-2
+      - django-1-11
+      - django-latest

conftest.py

@@ -56,7 +56,6 @@ def pytest_configure():
             },
         ]
     })
-    print(DATABASES)
     settings.configure(
         DEBUG=True,
         USE_TZ=True,
@@ -76,4 +75,3 @@ def pytest_configure():
         SHARD_EPOCH=int(time.mktime(datetime(2016, 1, 1).timetuple()) * 1000),
     )
     django.setup()
-    print(settings.DATABASES)