Add test cases for indented single-expression getters

[sgade]

What's in this pull request?

This adds the missing test case for indented single-expression getters.

Does this resolve an open issue?

Yeah, it resolves #72.

Checklist for submitting a pull request:

• [x] Your code builds without any errors or warnings (warnings when running prepareForBootstrapTests.sh are OK).
• [x] You ran the unit tests and Bootstrapping tests for your platform.
  • [x] If you changed any .kt files in the Test cases folder, you also ran the Acceptance tests.
• [x] You have added new tests that check your changes (if possible).
• [x] This pull request is targeting the development branch (if you're contributing code) or the gh-pages branch (if you're contributing to the website).

[vinivendra]

Nailed it, thanks!

Feel free to open more issues or PRs whenever, help is always welcome :)

[sgade]

Will do!