Add UpdateSet, Relaxed in client, Fix tests

main_test.go

@@ -47,11 +47,13 @@ func TestMain(m *testing.M) {
   // 2. Get the connection string dynamically
   endpoint, _ := mongoContainer.ConnectionString(ctx)
 
+	mongoDebug := os.Getenv("DEBUG") != ""
+
   Start(&MongoStartProps{
     MongoUri: endpoint,
     MongoUser: user,
     MongoPass: pass,
-    MongoDebugQuery: false,
+    MongoDebugQuery: mongoDebug,
   })
 
   // 3. Run tests