Make it possible to configure job retries with zuul_return

Change-Id: Ie209b6e9a4b9192f4e53e73022d4549611cd230c

tests/fixtures/config/data-return/git/common-config/playbooks/pass.yaml

@@ -0,0 +1,2 @@
+- hosts: localhost
+  tasks: []

tests/fixtures/config/data-return/git/common-config/playbooks/skip-retry-return.yaml

@@ -0,0 +1,7 @@
+- hosts: localhost
+  tasks:
+    - zuul_return:
+        data:
+          zuul:
+            retry: false
+      failed_when: true

tests/fixtures/config/data-return/git/common-config/zuul.yaml

@@ -120,6 +120,11 @@
     parent: several-zuul-return-parent
     run: playbooks/several-zuul-return-child.yaml
 
+- job:
+    name: skip-retry-return
+    pre-run: playbooks/skip-retry-return.yaml
+    run: playbooks/pass.yaml
+
 - project:
     name: org/project
     check:
@@ -224,3 +229,9 @@
                 soft: true
               - name: data-return-c
                 soft: true
+
+- project:
+    name: org/project-skip-retry
+    check:
+      jobs:
+        - skip-retry-return

tests/fixtures/config/data-return/git/org_project-skip-retry/README

@@ -0,0 +1 @@
+test

tests/fixtures/config/data-return/main.yaml

@@ -14,3 +14,4 @@
           - org/project6
           - org/project7
           - org/project-soft
+          - org/project-skip-retry