Enhance installation of mysql_client

Initially I wanted to install mysql-client-5.7 to test mysql server 5.7
but this package is not available for Ubuntu 18+.
I keep those changes because it allow us to specify the name of the
package based on the Ubuntu version.

tests/integration/targets/setup_controller/tasks/client.yml

@@ -0,0 +1,11 @@
+---
+
+# Is some tests, we use the local mysql client with the shell module.
+
+- name: "{{ role_name }} | client | Install mysql client"
+  ansible.builtin.apt:
+    name:
+      - "{{ db_engine ~ '-client' }}"
+    state: present
+  environment:
+    DEBIAN_FRONTEND: noninteractive

tests/integration/targets/setup_controller/tasks/install.yml

@@ -3,7 +3,6 @@
 - name: "{{ role_name }} | install | Required package for testing"
   ansible.builtin.apt:
     name:
-      - mysql-client
       - iproute2
       - python3-cryptography  # To authenticate with MySQL 8+
     state: present

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

@@ -8,10 +8,15 @@
   ansible.builtin.import_tasks:
     file: install.yml
 
+# setvars.yml requires the iproute2 package installed by install.yml
 - name: Set variables
   ansible.builtin.import_tasks:
     file: setvars.yml
 
-- name: Install MySQL connector
+- name: Install MySQL local client
+  ansible.builtin.import_tasks:
+    file: client.yml
+
+- name: Install MySQL Python connector
   ansible.builtin.import_tasks:
     file: connector.yml