public void Run()
 {
     var stub = new FormattableStub(123);
     AssertionFailure[] failures = Capture(() => Assert.IsNull(stub));
     Assert.Count(1, failures);
     var actualValue = failures[0].LabeledValues.Single(x => x.Label == "Actual Value");
     Assert.AreEqual("CustomFormatter: FormattableStub's value is 123.", actualValue.FormattedValue.ToString());
 }
        public void Run()
        {
            var stub = new FormattableStub(123);

            AssertionFailure[] failures = Capture(() => Assert.IsNull(stub));
            Assert.Count(1, failures);
            var actualValue = failures[0].LabeledValues.Single(x => x.Label == "Actual Value");

            Assert.AreEqual("CustomFormatter: FormattableStub's value is 123.", actualValue.FormattedValue.ToString());
        }