it('generates sane toRawTypes', (): void => {
    expect(new (HashMap.with(Text, U32))(registry).toRawType()).toBe('HashMap<Text,u32>');
    expect(new (HashMap.with(Text, Text))(registry).toRawType()).toBe('HashMap<Text,Text>');
    expect(new (HashMap.with(Text, Struct.with({ a: U32, b: Text })))(registry).toRawType())
      .toBe('HashMap<Text,{"a":"u32","b":"Text"}>');