public void ListPages_WhenProvidedCredentials_ReturnsPages(WireDataFormat format)
        {
            //arrange
            var client     = TestContext.CreateClientValidCredentials(format);
            var pageClient = new PageApi(client.HttpChannel);

            //act
            var result = pageClient.ListAll();

            //assert
            Assert.That(result.Count, Is.GreaterThan(0));
        }