refactor file structure for improved code quality around cli testing

[kayagokalp]

For example we have a tests folder and test/data folder under forc-client, we should probably make the tests folder just any other project under test/data for consistency.

[Nar035]

For example we have a tests folder and test/data folder under forc-client, we should probably make the tests folder just any other project under test/data for consistency.

hey can you provide the link