Parse unescaped triple quotes from a string within triple quotes

[hellovai]

// Test case for unescaped single quotes in triple quotes
// TODO: THIS PARSES INCORRECTLY! Rare case, but should be fixed
// if a customer complains about it.
test_deserializer!(
    unescaped_single_quotes_in_triple_quotes,
    BAML_FILE,
    r#"
    {
      "type": "code",
      "code": """print("""Hello, world!""")"""
    }
    "#,
    FieldType::class("Test"),
    {
      "type": "code",
      "code": "print("
    }
);