[PR #416/97318559 backport][stable-1] Fix ci python requirements (#418)

* :Fix ci python requirements (#416)

* Add matrix for python and ansible-core versions for sanity tests

* Add python 3.9 to integrations tests

* Add python 3.9 to unit tests

* Reformat sort by python version first

(cherry picked from commit 97318559e5)

* Fix string to int comparison error 1292

* Fix assert expected changed value

* Cut assertion that is incorrect

With both connectors, and only in stable-1 apparently, the test is
always failed.

* Fix bool comparison

* Revert separated tests for both connectors

* Refactor test using connector.name variable

* Refactor filtering of tasks using connector's vars sets during setup

* Fix "command not found" and "database doesn't exists"

* Fix assertion by not running on failing connectors

* Fix missing package when using sha256_password with MySQL 8

tests/integration/targets/test_mysql_db/tasks/main.yml

@@ -28,8 +28,8 @@
 
 - name: remove database if it exists
   command: >
-    "{{ mysql_command }} -sse 'drop database {{ db_name }}'"
-  ignore_errors: True
+    {{ mysql_command }} -sse 'drop database if exists {{ db_name }}'
+  ignore_errors: true
 
 - name: make sure the test database is not there
   command: "{{ mysql_command }} {{ db_name }}"