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

tests/integration/targets/test_mysql_user/tasks/issue-121.yml

@@ -9,8 +9,6 @@
   block:
 
     # ============================================================
-    - shell: pip show pymysql | awk '/Version/ {print $2}'
-      register: pymysql_version
 
     - name: get server certificate
       copy:

tests/integration/targets/test_mysql_user/tasks/issue-28.yml

@@ -9,8 +9,6 @@
   block:
 
     # ============================================================
-    - shell: pip show pymysql | awk '/Version/ {print $2}'
-      register: pymysql_version
 
     - name: get server certificate
       copy:
@@ -50,12 +48,12 @@
     - assert:
         that:
           - result is failed
-      when: pymysql_version.stdout != ""
+      when: connector_name is search('pymysql')
 
     - assert:
         that:
           - result is succeeded
-      when: pymysql_version.stdout == ""
+      when: connector_name is not search('pymysql')
 
     - name: attempt connection with newly created user ignoring hostname
       mysql_user:

tests/integration/targets/test_mysql_user/tasks/test_user_plugin_auth.yml

@@ -334,12 +334,15 @@
     # plugins that are loaded by default are sha2*, but these aren't compatible with pymysql < 0.9, so skip these tests
     # for those versions.
     #
-    - name: Get pymysql version
-      shell: pip show pymysql | awk '/Version/ {print $2}'
-      register: pymysql_version
 
     - name: Test plugin auth switching which doesn't work on pymysql < 0.9
-      when: pymysql_version.stdout == "" or (pymysql_version.stdout != "" and pymysql_version.stdout is version('0.9', '>='))
+      when:
+        - >
+          connector_name is not search('pymysql')
+          or (
+            connector_name is search('pymysql')
+            and connector_ver is version('0.9', '>=')
+          )
       block:
 
       - name: Create user with plugin auth (empty auth string)