public void TestingServiceCollectionExtensions_ShouldPass()
{
var databaseConfiguration = new DatabaseConfiguration {
ConnectionString = "Hello World!!!"
};
var serviceCollection = new Microsoft.Extensions.DependencyInjection.ServiceCollection();
var serviceProvider = serviceCollection.BuildServiceProvider();
var tenantLogic = serviceProvider.GetService <TenantLogic>();
Assert.Null(tenantLogic);
serviceCollection.AddDatabaseClasses(databaseConfiguration);
serviceProvider = serviceCollection.BuildServiceProvider();
tenantLogic = serviceProvider.GetService <TenantLogic>();
Assert.NotNull(tenantLogic);
}