Improve code coverage to 100%

[alexandrebarbaruiva]

Brief description:

No new features, just more tests to improve code coverage.

New Feature Submissions:

To run tests locally, use make if you're on Mac or Linux.

1. [ ] Does your submission pass all the tests?
2. [ ] Have you lint your code locally prior to submission?
3. [ ] Have you written proper tests to your added code?

New Dialog Submissions:

User messages have - -, bot messages have -

1. [ ] Does all your user messages have lower letters?
2. [ ] Have you lint your dialogs locally prior to submission?
3. [ ] Have you written proper tests to your added dialogs on test_dialogs?
4. [ ] Does your dialog have an existing category? If not, did you create it?

Changes to Core Features:

• [ ] Have you added an explanation of what your changes do and why you'd like us to include them?
• [ ] Have you written new tests or modified old ones for your core changes, as applicable?
• [ ] Have you successfully ran tests with your changes locally?

[codeclimate[bot]]

Code Climate has analyzed commit f32c491a and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (80% is the threshold).

This pull request will bring the total coverage in the repository to 100.0% (16.5% change).

View more on Code Climate.

[codecov[bot]]

Codecov Report

Merging #36 into master will increase coverage by 16.49%. The diff coverage is 100%.

@@            Coverage Diff            @@
##           master    #36       +/-   ##
=========================================
+ Coverage    83.5%   100%   +16.49%     
=========================================
  Files           2      2               
  Lines          97    102        +5     
  Branches        4      4               
=========================================
+ Hits           81    102       +21     
+ Misses         16      0       -16

Impacted Files	Coverage Δ
bot/application.py	100% <100%> (+27.11%)	:arrow_up:

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