Remove password when connecting to mysql on Travis

.travis.yml

@@ -23,22 +23,20 @@ jobs:
   - name: SciDAP workflow tests
     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 .
+    - pip install mysqlclient
     before_script:
     - airflow --help          # to generate airflow.cfg
+    - cat ~travis/.my.cnf     # to see what it the socket for mysql
     - 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
-    - sed -i'.backup' -e 's/^sql_alchemy_conn.*/sql_alchemy_conn = mysql:\/\/root:@127.0.0.1:3306\/airflow/g' ~/airflow/airflow.cfg
+    - sed -i'.backup' -e 's/^sql_alchemy_conn.*/sql_alchemy_conn = mysql:\/\/root@127.0.0.1:3306\/airflow/g' ~/airflow/airflow.cfg
     - cat ~/airflow/airflow.cfg  # to check if airflow.cfg was updated
-    - cwl-airflow init        # to init database and add process_report connection
-    - airflow connections -l  # to check if connection was added
-    - airflow checkdb         # to check if we can connect to database
+    - cwl-airflow init           # to init database and add process_report connection
+    - airflow connections -l     # to check if connection was added
+    - airflow checkdb            # to check if we can connect to database
     - airflow scheduler > /dev/null 2>&1 &
     - cwl-airflow api > /dev/null 2>&1 &
     script: cwl-airflow test --suite workflows/tests/conformance_tests.yaml --spin --range 1