public void ItShouldValidateDocumentsOfTypeOdt()
        {
            var validator = new DocumentFileExtensionValidation();

            var response = validator.IsValid(new FormFile(null, 0, 0, "test.odt", "test.odt"));

            response.Should().BeTrue();
        }
        public void ItShouldNotValidateDocumentsOfTypeJpg()
        {
            var validator = new DocumentFileExtensionValidation();

            var response = validator.IsValid(new FormFile(null, 0, 0, "test.jpg", "test.jpg"));

            response.Should().BeFalse();
        }
        public void ItShouldVaildateIfDocumentIsNull()
        {
            var validator = new DocumentFileExtensionValidation();

            var response = validator.IsValid(null);

            response.Should().BeTrue();
        }