Update tests.yml

Author: krowinski

.github/workflows/tests.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Start mysql service
-        run: mysqld \
+        run: sudo mysqld \
           --datadir=/var/lib/mysql \
           --user=mysql \
           --server-id=1 \