Test on GitLab CI.

.gitlab-ci.yml

+test:
+  image: python:3.8-buster
+  before_script:
+    - sudo apt-get update -qq
+    - sudo apt-get install -qq yarnpkg
+    - pip install -q Django
+    - pip install .
+    - pip install -r requirements_dev.txt
+    - pip install pep8
+  script:
+    - mkdir -p /tmp/test_root/
+    - export TEST_PROJECT_ROOT=/tmp/test_root/
+    - coverage run runtests.py test django_yarnpkg && coverage report

.travis.yml

-language: python
-python:
-  - "2.7"
-  - "3.3"
-  - "3.4"
-  - "3.5"
-env:
-  matrix:
-   - DJANGO_VERSION=1.4
-   - DJANGO_VERSION=1.7
-   - DJANGO_VERSION=1.8
-   - DJANGO_VERSION=1.9
-   - DJANGO_VERSION=1.10
-matrix:
-  exclude:
-    - python: "3.3"
-      env: DJANGO_VERSION=1.4
-    - python: "3.4"
-      env: DJANGO_VERSION=1.4
-    - python: "3.5"
-      env: DJANGO_VERSION=1.4
-    - python: "3.5"
-      env: DJANGO_VERSION=1.7
-    - python: "3.3"
-      env: DJANGO_VERSION=1.9
-    - python: "3.3"
-      env: DJANGO_VERSION=1.10
-before_install:
-  - sudo apt-get update -qq
-  - sudo apt-get install -qq sloccount
-install:
-  - npm install -g bower
-  - pip install -q "Django>=${DJANGO_VERSION},<${DJANGO_VERSION}.99"
-  - pip install .
-  - pip install -r requirements_dev.txt
-  - pip install pep8
-  - pip install coviolations_app
-script:
-  - mkdir /home/travis/test_root/ -p
-  - export TEST_PROJECT_ROOT=/home/travis/test_root/
-  - coverage run runtests.py test djangobower > >(tee stdout.log) 2> >(tee test_out >&2)
-after_success:
-  - coverage report
-  - pip install --quiet python-coveralls
-  - coveralls
-  - covio