Bump test microversion and fix backup test

We added new field "backup_type" in share-backups API
in 2.85.

Change-Id: Iaaf3c3914089ad0d27b61a524f14353cae35c4d5
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>
diff --git a/manila_tempest_tests/config.py b/manila_tempest_tests/config.py
index 0a98ad5..aebf4a9 100644
--- a/manila_tempest_tests/config.py
+++ b/manila_tempest_tests/config.py
@@ -40,7 +40,7 @@
                     "This value is only used to validate the versions "
                     "response from Manila."),
     cfg.StrOpt("max_api_microversion",
-               default="2.82",
+               default="2.85",
                help="The maximum api microversion is configured to be the "
                     "value of the latest microversion supported by Manila."),
     cfg.StrOpt("region",
diff --git a/manila_tempest_tests/tests/api/test_backup.py b/manila_tempest_tests/tests/api/test_backup.py
index f443802..40c48ac 100644
--- a/manila_tempest_tests/tests/api/test_backup.py
+++ b/manila_tempest_tests/tests/api/test_backup.py
@@ -54,11 +54,14 @@
     def test_create_share_backup(self):
         backup = self.create_backup_wait_for_active(self.share_id)
 
-        # Verify backup create API response
+        # Verify backup create API response, we use the configured max API
+        # version to make this call
         expected_keys = ["id", "share_id", "status",
                          "availability_zone", "created_at", "updated_at",
                          "size", "progress", "restore_progress",
                          "name", "description"]
+        if utils.is_microversion_ge(CONF.share.max_api_microversion, '2.85'):
+            expected_keys.append("backup_type")
 
         # Strict key check
         actual_backup = self.shares_v2_client.get_share_backup(