Add tests

[jjasloot]

No description provided.

[Copilot]

Pull Request Overview

This PR adds comprehensive test coverage to the OVDB project, including both unit tests and integration tests for the ASP.NET Core web application.

• Adds unit tests for controllers, services, and helper classes
• Implements integration tests with real database using TestContainers
• Sets up CI pipeline to run tests automatically

Reviewed Changes

Copilot reviewed 53 out of 65 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
docker-compose.integration-tests.yml	Docker Compose configuration for integration test database
OV_DB/Startup.cs	Adds conditional SPA configuration to support testing environment
OV_DB/Services/TimezoneService.cs	Adds null/invalid LineString validation
OV_DB.Tests/*	Comprehensive unit tests for all major components
OV_DB.IntegrationTests/*	Integration test infrastructure and API endpoint tests
.github/workflows/ci.yml	Extended CI pipeline with test execution

Comments suppressed due to low confidence (2)

OV_DB.Tests/Services/RouteRegionsServiceTests.cs:1

• Property name contains a spelling error. It should be 'Latitude' not 'Lattitude' (single 't').

using Microsoft.EntityFrameworkCore;

OV_DB.IntegrationTests/Infrastructure/TestDataGenerator.cs:1

• Property name contains a spelling error. It should be 'Latitude' not 'Lattitude' (single 't').

using Bogus;