v3.0.0

Refactor TaskServiceTests to use constructor initialization

xUnit creates a new instance per test, so service construction
belongs in the constructor rather than a helper called in each test.

v2.0.0

Full Changelog: https://github.com/coldicefisher/CS690-FinalProject4/commits/2.0.0

v1.0.0

Full Changelog: https://github.com/coldicefisher/CS690-FinalProject4/commits/1.0.0