Drop tests for MySQL 5.6 since it has reached EOL.

Author: guzman-raphael

.github/workflows/development.yaml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         py_ver: ["3.8"]
-        mysql_ver: ["8.0", "5.7", "5.6"]
+        mysql_ver: ["8.0", "5.7"]
         include:
           - py_ver: "3.7"
             mysql_ver: "5.7"

tests/__init__.py

@@ -101,7 +101,7 @@ def setup_package():
         conn_root.query(
             "GRANT SELECT ON `djtest%%`.* TO 'djssl'@'%%';")
     else:
-        # grant permissions. For mysql5.6/5.7 this also automatically creates user
+        # grant permissions. For MySQL 5.7 this also automatically creates user
         # if not exists
         conn_root.query("""
             GRANT ALL PRIVILEGES ON `djtest%%`.* TO 'datajoint'@'%%'