Make sure all files have trailing newline (#5076)

* Make sure all files have trailing newline.

* Adjust tests.

tests/integration/targets/terraform/tasks/main.yml

@@ -70,4 +70,4 @@
     tf_provider: "{{ terraform_provider_versions[provider_index] }}"
   loop: "{{ terraform_provider_versions }}"
   loop_control:
-    index_var: provider_index
+    index_var: provider_index

tests/integration/targets/terraform/tasks/test_provider_upgrade.yml

@@ -23,4 +23,4 @@
   register: terraform_init_result
 
 - assert:
-    that: terraform_init_result is not failed
+    that: terraform_init_result is not failed