Fix tox environments for Django

Author: ipmb

tox.ini

@@ -1,10 +1,10 @@
 [tox]
 envlist =
-    py{27,34,35,36,37,38}
+    py{27,34,35,36,37,38}-default
     py{35,36,37,38}-aiohttp2
-    py{27,34,35,36,37}-django{111}
-    py{35,36,37,38}-django{22}
-    py{36,37,38}-django{30}
+    py{27,34,35,36,37}-django111
+    py{35,36,37,38}-django22
+    py{36,37,38}-django30
     coverage-report
 
 skip_missing_interpreters = True
@@ -23,7 +23,7 @@ deps =
     django111: Django==1.11.*
     django22: Django==2.2.*
     django30: Django==3.0.*
-    django-fake-model
+    django{111,22,30}: django-fake-model
     pynamodb >= 3.3.1
     psycopg2
     pg8000
@@ -38,15 +38,9 @@ deps =
     py{35,36,37,38}: aiobotocore >= 0.10.0
 
 commands =
-    py{27,34,35,36,37}-django{111}: coverage run --source aws_xray_sdk -m py.test tests/ext/django
-    codecov
-    py{35,36,37,38}-django{22}: coverage run --source aws_xray_sdk -m py.test tests/ext/django
-    codecov
-    py{36,37,38}-django{30}: coverage run --source aws_xray_sdk -m py.test tests/ext/django
-    codecov
-    py{27,34}: coverage run --source aws_xray_sdk -m py.test tests --ignore tests/ext/aiohttp --ignore tests/ext/aiobotocore --ignore tests/ext/django --ignore tests/test_async_local_storage.py --ignore tests/test_async_recorder.py
-    codecov
-    py{35,36,37,38}: coverage run --source aws_xray_sdk -m py.test --ignore tests/ext/django tests
+    py{27,34}-default: coverage run --source aws_xray_sdk -m py.test tests --ignore tests/ext/aiohttp --ignore tests/ext/aiobotocore --ignore tests/ext/django --ignore tests/test_async_local_storage.py --ignore tests/test_async_recorder.py
+    py{35,36,37,38}-default: coverage run --source aws_xray_sdk -m py.test --ignore tests/ext/django tests
+    django{111,22,30}: coverage run --source aws_xray_sdk -m py.test tests/ext/django
     codecov
 
 setenv =