Update CI config

.gitlab-ci.yml

-
 stages:
     - test
 
-before_script:
-    - python3.6 -m venv $HOME/tox
-    - $HOME/tox/bin/pip install tox
+variables:
+  LD_LIBRARY_PATH: /opt/sqlite-compat-django/lib/
+  TOX: /opt/venv/python3.6/tox/bin/tox
 
-py27-django111:
-    stage: test
-    script: $HOME/tox/bin/tox -e 'py27-django111'
 
-py36-django111:
+py36-django22:
     stage: test
-    script: $HOME/tox/bin/tox -e 'py36-django111'
+    script: $TOX -e 'py36-django22'
 
-py36-django21:
+py36-django31:
     stage: test
-    script: $HOME/tox/bin/tox -e 'py36-django21'
+    script: $TOX -e 'py36-django31'
 
-py36-django22:
+py36-django32:
     stage: test
-    script: $HOME/tox/bin/tox -e 'py36-django22'
+    script: $TOX -e 'py36-django32'
 

tox.ini

@@ -6,7 +6,7 @@
 [tox]
 skipsdist = true
 skip_missing_interpreters = true
-envlist = py27-django111,py{36,37}-django{111,21,22}
+envlist = py27-django111,py{36,37}-django{111,21,22,30,31,32}
 
 [testenv]
 commands = {envpython} runtests.py
@@ -15,8 +15,10 @@ deps =
     django20: Django >= 2, < 2.1
     django21: Django >= 2.1, <2.2
     django22: Django >= 2.2, <2.3
+    django30: Django == 3.0.*
+    django31: Django == 3.1.*
+    django32: Django == 3.2.*
 
 setenv =
     DJANGO_LIVE_TEST_SERVER_ADDRESS=localhost:9000-9200
-    LD_LIBRARY_PATH=/opt/sqlite-compat-django/lib/