powershell: display non-ascii characters in command outputs (#37229)

test/integration/targets/win_async_wrapper/tasks/main.yml

@@ -144,6 +144,20 @@
 # TODO: re-enable after catastrophic failure behavior is cleaned up
 #    - asyncresult.msg is search('failing via exception')
 
+- name: echo some non ascii characters
+  win_command: cmd.exe /c echo über den Fußgängerübergang gehen
+  async: 10
+  poll: 1
+  register: nonascii_output
+
+- name: assert echo some non ascii characters
+  assert:
+    that:
+    - nonascii_output is changed
+    - nonascii_output.rc == 0
+    - nonascii_output.stdout_lines|count == 1
+    - nonascii_output.stdout_lines[0] == 'über den Fußgängerübergang gehen'
+    - nonascii_output.stderr == ''
 
 # FUTURE: figure out why the last iteration of this test often fails on shippable
 #- name: loop async success