public void Test1()
{
var integrationTestMockBuilder = MockBuilder.IntegrationTest <ITestIntegrationApp, TestIntegrationApp>(
new Installer(),
config => config.WithTestDependenciesToMock(TestDependency.Of <IExternalSupplierClass>()));
var mockDataFromSupplier = "Mock data from supplier";
integrationTestMockBuilder.AddMockActionOf <IExternalSupplierClass>(mock =>
mock.Setup(x => x.GetDataFromUnreliableSupplier()).Returns(() => mockDataFromSupplier));
var expectedResult = "Logged a message" + mockDataFromSupplier + "Data from DB" + "Other data from DB";
var result = integrationTestMockBuilder.GetTestedService().DoStuffWithServices();
result.Should().Be(expectedResult);
}