ansible test: re-enable mysql tests with fix (#50430)

test/integration/targets/mysql_db/aliases

@@ -1,4 +1,3 @@
-unstable
 destructive
 shippable/posix/group1
 skip/osx

test/integration/targets/mysql_user/aliases

@@ -2,4 +2,3 @@ destructive
 shippable/posix/group1
 skip/osx
 skip/freebsd
-disabled

test/integration/targets/mysql_variables/aliases

@@ -2,4 +2,3 @@ destructive
 shippable/posix/group1
 skip/osx
 skip/freebsd
-disabled

test/integration/targets/setup_mysql_db/tasks/main.yml

@@ -43,9 +43,28 @@
   with_items: "{{mysql_packages}}"
   when: ansible_pkg_mgr  ==  'yum'
 
+- block:
+  # This is required as mariadb-server has a weak dependency on Python 2 which causes the test to break on Py3 hosts
+  - name: create test dnf.conf file to ignore weak dependencies
+    copy:
+      content: |
+        [main]
+        install_weak_deps=False
+      dest: '{{ output_dir }}/dnf.conf'
+    register: test_dnf_conf_copy
+
   - name: install mysqldb_test rpm dependencies
-  dnf: name={{ item }} state=latest
+    dnf:
+      name: '{{ item }}'
+      state: latest
+      conf_file: '{{ test_dnf_conf_copy.dest }}'
     with_items: "{{mysql_packages}}"
+
+  always:
+  - name: remove test dnf.conf file
+    file:
+      path: '{{ test_dnf_conf_copy.dest }}'
+      state: absent
   when: ansible_pkg_mgr  ==  'dnf'
 
 - name: install mysqldb_test debian dependencies

test/integration/targets/zabbix_host/aliases

@@ -3,4 +3,3 @@ shippable/posix/group1
 skip/osx
 skip/freebsd
 skip/rhel
-disabled