#145186309 Fix accounts tests

[jacksono]

What does this PR do?

• Complete missing asserts on existing test cases for unit testing accounts module
• Add new test cases to test the accounts module

Description of Task to be completed?

-Go through each test file and follow the instructions to fix the tests. The instructions are distributed throughout each file and the instruction lines begin with ##

How should this be manually tested?

• Clone the repository
• cd into the repository
• run the command ./manage.py test hc.accounts

Any background context you want to provide?

• There are five test files in the accounts app folder that had already created test cases with pssing tests, this ticket was to complete some missing asserts on existing test cases and add some new test cases as instructed in the respective test files preceded by ###

What are the relevant pivotal tracker stories?

• #145186309

Screenshots (if appropriate)

[coveralls]

Coverage increased (+0.3%) to 80.851% when pulling dd65380 on ft-accounts-tests-fixes-145186309 into 121c195 on develop.