Disable junit callback on roles_arg_spec_tests (#73663)

This prevents the role arg spec validation tasks from showing up as failure
in the CI output.

test/integration/targets/roles_arg_spec/runme.sh

@@ -2,6 +2,18 @@
 
 set -eux
 
+# This effectively disables junit callback output by directing the output to
+# a directory ansible-test will not look at.
+#
+# Since the failures in these tests are on the role arg spec validation and the
+# name for those tasks is fixed (we cannot add "EXPECTED FAILURE" to the name),
+# disabling the junit callback output is the easiest way to prevent these from
+# showing up in test run output.
+#
+# Longer term, an option can be added to the junit callback allowing a custom
+# regexp to be supplied rather than the hard coded "EXPECTED FAILURE".
+export JUNIT_OUTPUT_DIR="${OUTPUT_DIR}"
+
 # Various simple role scenarios
 ansible-playbook test.yml -i ../../inventory "$@"
 

test/integration/targets/roles_arg_spec/test.yml

@@ -71,7 +71,7 @@
 
   tasks:
       - block:
-        - name: "EXPECTED FAILURE: Invalid role usage"
+        - name: "Invalid role usage"
           include_role:
             name: b
           vars:
@@ -114,7 +114,7 @@
 
   tasks:
       - block:
-        - name: "EXPECTED FAILURE: Invalid role usage"
+        - name: "Invalid role usage"
           import_role:
             name: b
           vars:
@@ -172,7 +172,7 @@
 
   tasks:
       - block:
-        - name: "EXPECTED FAILURE: Test import_role of role C (missing a_str)"
+        - name: "Test import_role of role C (missing a_str)"
           import_role:
             name: c
           vars:
@@ -197,7 +197,7 @@
                 - ansible_failed_result.argument_spec_data == main_expected_returned_spec
 
       - block:
-        - name: "EXPECTED FAILURE: Test include_role of role C (missing a_int from `alternate` entry point)"
+        - name: "Test include_role of role C (missing a_int from `alternate` entry point)"
           include_role:
             name: c
           vars:
@@ -227,7 +227,7 @@
   gather_facts: false
   tasks:
       - block:
-        - name: "EXPECTED FAILURE: Test import_role of role role_with_no_tasks (missing a_str)"
+        - name: "Test import_role of role role_with_no_tasks (missing a_str)"
           import_role:
             name: role_with_no_tasks