TEST: test optional flags to `calculate_cost`

[fletchapin]

• I have reviewed the test coverage on Codecov

---

Describe the Missing Coverage

Many of the optional flags in calculate_cost are not fully tested, but instead use their

Recommended Fix

Write tests for the following functions/features:

• demand_scale_factor parameter in calculate_cost()
• prev_consumption_dict parameter in calculate_cost()
• varstr_alias_func parameter in calculate_cost()
• calculate_itemized_cost()