improve test_test_infra debug messaging, rc check

test/integration/test_test_infra.yml

@@ -3,14 +3,16 @@
   tags:
     - always
   tasks:
-  - fail:
+  - name: ensure fail action produces a failing result
+    fail:
     ignore_errors: yes
     register: fail_out
 
   - debug:
       msg: fail works ({{ fail_out.failed }})
 
-  - assert:
+  - name: ensure assert produces a failing result
+    assert:
       that: false
     ignore_errors: yes
     register: assert_out
@@ -18,6 +20,7 @@
   - debug:
       msg: assert works ({{ assert_out.failed }})
 
-  - fail:
-      msg: fail actually failed
+  - name: ensure fail action stops execution
+    fail:
+      msg: fail actually failed (this is expected)