public void CorrectJsonOutputIsGenerated(TreeDefinition tree, string expectedJson)
{
// Create json for the tree
var writtenJson = tree.ToJson(JsonSerializer.Mode.Normal);
// Strip whitespace (Easier to define test-data without having to worry about whitespace)
writtenJson = writtenJson.Replace(" ", string.Empty, StringComparison.Ordinal);
expectedJson = expectedJson.Replace(" ", string.Empty, StringComparison.Ordinal);
expectedJson = expectedJson.Replace("\n", string.Empty, StringComparison.Ordinal);
// Assert that written and expected json match.
Assert.Equal(expectedJson, writtenJson);
}