removed a too strict assertion that could change based on server strings changing.

Author: craiggwilson

MongoDB.DriverUnitTests/CommandResults/CommandResultTests.cs

@@ -179,7 +179,6 @@ public void TestInvalidCommand()
                     else
                     {
                         Assert.IsInstanceOf<MongoCommandException>(ex);
-                        Assert.IsTrue(ex.Message.StartsWith("Command 'invalid' failed: no such cmd", StringComparison.Ordinal));
                     }
                 }
             }