add integration test to assert included tasks run in proper order

test/integration/non_destructive.yml

@@ -36,6 +36,7 @@
     - { role: test_facts_d, tags: test_facts_d }
     - { role: test_async, tags: test_async }
     - { role: test_command_shell, tags: test_command_shell }
+    - { role: test_task_ordering, tags: test_task_ordering }
     - { role: test_script, tags: test_script }
     - { role: test_authorized_key, tags: test_authorized_key }
     - { role: test_embedded_module, tags: test_embedded_module }

test/integration/roles/test_task_ordering/tasks/main.yml

@@ -0,0 +1,13 @@
+- shell: mktemp
+  register: temppath
+- include: taskorder-include.yml
+  with_items:
+  - 1
+  - 2
+  - 3
+
+- assert:
+    that: lookup('file', temppath.stdout) == "one.1.two.1.three.1.four.1.one.2.two.2.three.2.four.2.one.3.two.3.three.3.four.3."
+
+- file: path="{{temppath.stdout}}" state=absent
+

test/integration/roles/test_task_ordering/tasks/taskorder-include.yml

@@ -0,0 +1,10 @@
+# This test ensures that included tasks are run in order.
+# There have been regressions where included tasks and
+# nested blocks ran out of order...
+
+- shell:  printf one.{{ item }}. >> {{ temppath.stdout }}
+- block:
+  - shell: printf two.{{ item }}. >> {{ temppath.stdout }}
+  - block:
+    - shell: printf three.{{ item }}. >> {{ temppath.stdout }}
+- shell: printf four.{{ item }}. >> {{ temppath.stdout }}