public void CallProceedOnce()
{
// Arrange
var loggerMock = new Mock <ILogger>();
var writerMock = new Mock <IWriter>();
var invocationMock = new Mock <IInvocation>();
invocationMock.Setup(i => i.Proceed());
LogErrorInterceptor logErrorInterceptor = new LogErrorInterceptor(loggerMock.Object, writerMock.Object);
// Act
logErrorInterceptor.Intercept(invocationMock.Object);
// Assert
invocationMock.Verify(i => i.Proceed(), Times.Once());
}