Miscellaneous ansible-test updates. (#27937)

* Add keep alives to ansible-test ssh delegation.
* Improve ansible-test JSON parsing error messages.
* Increase ansible-test delegation sleep and retry.
* Update ansible-test to recognize .psm1 files.

test/runner/lib/core_ci.py

@@ -181,7 +181,7 @@ class AnsibleCoreCI(object):
 
         raise self._create_http_error(response)
 
-    def get(self, tries=2, sleep=10, always_raise_on=None):
+    def get(self, tries=3, sleep=15, always_raise_on=None):
         """
         Get instance connection information.
         :type tries: int
@@ -290,8 +290,8 @@ class AnsibleCoreCI(object):
             'Content-Type': 'application/json',
         }
 
-        tries = 2
-        sleep = 10
+        tries = 3
+        sleep = 15
 
         while True:
             tries -= 1