Fix docker_container tty test. (#444) (#445)

(cherry picked from commit bd62f82)

Co-authored-by: Felix Fontein <[email protected]>

tests/integration/targets/docker_container/tasks/tests/options.yml

@@ -3940,6 +3940,7 @@ avoid such warnings, please quote the value.' in log_options_2.warnings"
     tty: yes
     state: started
   register: tty_1
+  ignore_errors: true
 
 - name: tty (idempotency)
   docker_container:
@@ -3949,6 +3950,7 @@ avoid such warnings, please quote the value.' in log_options_2.warnings"
     tty: yes
     state: started
   register: tty_2
+  ignore_errors: true
 
 - name: tty (change)
   docker_container:
@@ -3959,6 +3961,7 @@ avoid such warnings, please quote the value.' in log_options_2.warnings"
     state: started
     force_kill: yes
   register: tty_3
+  ignore_errors: true
 
 - name: cleanup
   docker_container:
@@ -3970,8 +3973,15 @@ avoid such warnings, please quote the value.' in log_options_2.warnings"
 - assert:
     that:
     - tty_1 is changed
-    - tty_2 is not changed
+    - tty_2 is not changed and tty_2 is not failed
     - tty_3 is changed
+  when: tty_1 is not failed
+
+- assert:
+    that:
+    - "'error during container init: open /dev/pts/' in tty_1.msg"
+    - "': operation not permitted: ' in tty_1.msg"
+  when: tty_1 is failed
 
 ####################################################################
 ## ulimits #########################################################