public void GetPlainTextTestEmail_WhenInvoke_ShouldReturnNotNullEmailMessage()
{
_webHostEnvMock.DefaultValue = DefaultValue.Mock;
var provider = _webHostEnvMock.Object.ContentRootFileProvider;
var providerMock = Mock.Get(provider);
var fileMock = new PhysicalFileInfo
(new FileInfo(_fileInfoPath));
providerMock.Setup(x => x.GetFileInfo(It.IsAny <string>()))
.Returns(fileMock);
EmailTemplates.Initialize(_webHostEnvMock.Object);
DateTime testDate = new DateTime(2020, 1, 1);
string emailMessage = EmailTemplates.GetPlainTextTestEmail(testDate);
Assert.IsNotNull(emailMessage);
}
