added database test

db_test.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"testing"
+)
+
+func TestConnect(t *testing.T) {
+	// Create a new instance of FireDB.
+	db := FireDB{}
+
+	// Call the Connect function.
+	err := db.Connect()
+
+	// Check if there was an error during connection.
+	if err != nil {
+		t.Errorf("Failed to connect to Firebase: %v", err)
+	}
+
+	// Check if the Firebase Realtime Database client is initialized.
+	if db.Client == nil {
+		t.Error("Firebase Realtime Database client is not initialized")
+	}
+}