Test if Travis can run conformance tests

.travis.yml

@@ -5,13 +5,34 @@ dist: bionic
 os:
 - linux
 
+services:
+  - docker
+
 python:
 - 3.7
 
+before_install:
+- git clone https://github.com/datirium/workflows.git --recursive
+- docker pull mysql/mysql-server:5.7
+- docker run -v ~/database:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=airflow -e MYSQL_DATABASE=airflow -e MYSQL_USER=airflow -e MYSQL_PASSWORD=airflow -p 6603:3306 -d mysql/mysql-server:5.7 --explicit-defaults-for-timestamp=1
+
 install:
+- pip install mysqlclient
 - pip install .
 
-script: ./tests/run_tests.sh
+before_script:
+- cwl-airflow init
+- sed -i'.backup' -e 's/^executor.*/executor = LocalExecutor/g' ~/airflow/airflow.cfg
+- sed -i'.backup' -e 's/^dag_dir_list_interval =.*/dag_dir_list_interval = 60/g' ~/airflow/airflow.cfg
+- sed -i'.backup' -e 's/^parallelism =.*/parallelism = 1/g' ~/airflow/airflow.cfg
+- sed -i'.backup' -e 's/^sql_alchemy_conn.*/sql_alchemy_conn = mysql:\/\/airflow:airflow@127.0.0.1:6603\/airflow/g' ~/airflow/airflow.cfg
+- airflow scheduler > /dev/null 2>&1 &
+- cwl-airflow api > /dev/null 2>&1 &
+
+
+script:
+- ./tests/run_tests.sh
+- cwl-airflow test --suite workflows/tests/conformance_tests.yaml --spin --range 1
 
 after_success:
 - coveralls