fix test

Author: KirillKurdyukov

src/Ydb.Sdk/tests/Ado/YdbConnectionStringBuilderTests.cs

@@ -42,7 +42,7 @@ public void InitConnectionStringBuilder_WhenExpectedKeys_ReturnUpdatedConnection
             new YdbConnectionStringBuilder("Host=server;Port=2135;Database=/my/path;User=Kirill;UseTls=true;" +
                                            "KeepAlivePingDelay=30;KeepAlivePingTimeout=60;" +
                                            "EnableMultipleHttp2Connections=true;" +
-                                           "MaxSendMessageSize=1000000;MaxReceiveMessageSize=1000000" +
+                                           "MaxSendMessageSize=1000000;MaxReceiveMessageSize=1000000;" +
                                            "DisableDiscovery=true");
 
         Assert.Equal(2135, connectionString.Port);
@@ -59,7 +59,8 @@ public void InitConnectionStringBuilder_WhenExpectedKeys_ReturnUpdatedConnection
         Assert.Equal("Host=server;Port=2135;Database=/my/path;User=Kirill;UseTls=True;" +
                      "KeepAlivePingDelay=30;KeepAlivePingTimeout=60;" +
                      "EnableMultipleHttp2Connections=True;" +
-                     "MaxSendMessageSize=1000000;MaxReceiveMessageSize=1000000", connectionString.ConnectionString);
+                     "MaxSendMessageSize=1000000;MaxReceiveMessageSize=1000000;" +
+                     "DisableDiscovery=true", connectionString.ConnectionString);
         Assert.True(connectionString.DisableDiscovery);
     }