public async Task CoreLogger_Should_LogError()
{
// Arrange
bool wasLogExecuted = false;
var helpers = GetHelpers();
helpers.LoggerStub
.Setup(l => l.Log(LogLevel.Error, It.IsAny <EventId>(), It.IsAny <object>(), It.IsAny <Exception>(), It.IsAny <Func <object, Exception, string> >()))
.Callback(() => wasLogExecuted = true);
var coreLogger = new CoreLogger(helpers.LoggerStub.Object);
// Act
await coreLogger.LogErrorAsync(helpers.Correlation, "Testing loggers", new InvalidOperationException("Testing loggers"), helpers.Causation);
// Assert
wasLogExecuted.Should().BeTrue();
}