public void TestMethod_DumpJson_anonymous()
{
Dumper.IsEnabled = true;
Dumper.Folder = new DirectoryInfo(Path.Combine(this.TestContext.TestRunResultsDirectory, "dump"));
Debug.WriteLine($"Dumper.Folder: {Dumper.Folder}");
var sample = new { A = 10, B = true, C = "Sample" };
var expected = sample.ToJson();
var name = this.TestContext.TestName;
Dumper.DumpJson(sample, name, a => a);
var f = Dumper.GetDumpFile(name, ".json");
Debug.WriteLine($"file: {f}");
Assert.IsTrue(f.Exists, "Dump file was not created.");
var actual = File.ReadAllText(f.FullName);
Debug.WriteLine(actual);
Assert.AreEqual(expected, actual, "The content of the dump file is not text that is expected.");
} // end function