From 354c96a414ea30cdb9bd23971a28e3cc2fab3a89 Mon Sep 17 00:00:00 2001
From: Shane Harvey <shane.harvey@mongodb.com>
Date: Mon, 28 Jun 2021 15:11:52 -0700
Subject: [PATCH] PYTHON-2779 Fix topologies field in snapshot reads test
 (#657)

---
 test/__init__.py                                 |  4 ++++
 ...shot-sessions-not-supported-server-error.json | 16 +++++++++++-----
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/test/__init__.py b/test/__init__.py
index 2eee97177..28c46918f 100644
--- a/test/__init__.py
+++ b/test/__init__.py
@@ -673,6 +673,10 @@ class ClientContext(object):
                              func=func)
 
     def is_topology_type(self, topologies):
+        unknown = set(topologies) - {'single', 'replicaset', 'sharded',
+                                     'sharded-replicaset', 'load-balanced'}
+        if unknown:
+            raise AssertionError('Unknown topologies: %r' % (unknown,))
         if self.load_balancer:
             if 'load-balanced' in topologies:
                 return True
diff --git a/test/sessions/unified/snapshot-sessions-not-supported-server-error.json b/test/sessions/unified/snapshot-sessions-not-supported-server-error.json
index 896a11c6e..b6ce00216 100644
--- a/test/sessions/unified/snapshot-sessions-not-supported-server-error.json
+++ b/test/sessions/unified/snapshot-sessions-not-supported-server-error.json
@@ -4,9 +4,12 @@
   "runOnRequirements": [
     {
       "minServerVersion": "3.6",
-      "maxServerVersion": "4.4.99",
+      "maxServerVersion": "4.4.99"
+    },
+    {
+      "minServerVersion": "3.6",
       "topologies": [
-        "replicaset, sharded-replicaset"
+        "single"
       ]
     }
   ],
@@ -17,6 +20,11 @@
         "observeEvents": [
           "commandStartedEvent",
           "commandFailedEvent"
+        ],
+        "ignoreCommandMonitoringEvents": [
+          "findAndModify",
+          "insert",
+          "update"
         ]
       }
     },
@@ -87,9 +95,7 @@
                       "$$exists": false
                     }
                   }
-                },
-                "commandName": "find",
-                "databaseName": "database0"
+                }
               }
             },
             {