Unit testing

[GJena]

What does this PR do?

Added 6 unit tests
Updated 1 unit test

Where should the reviewer start?

tests.py file

How should this PR be tested?

Travis-CI should automatically test the tests added

Any background context you want to provide?

What are the relevant issues?

#41

Screenshots (if appropriate)

Questions:

• Do the docs need to be updated? No
• Does this PR add new (Python) dependencies? No

[coveralls]

Coverage increased (+3.7%) to 32.646% when pulling d2e6209 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+4.5%) to 33.409% when pulling 7b27a9a on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+4.5%) to 33.409% when pulling 2e9e9e4 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+5.2%) to 34.16% when pulling 6028960 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+5.9%) to 34.787% when pulling 6028960 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+6.2%) to 35.117% when pulling 3834b13 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+6.8%) to 35.778% when pulling b359df2 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+7.9%) to 36.877% when pulling 443a907 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+8.8%) to 37.748% when pulling d32ad44 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+16.0%) to 44.894% when pulling 3c2d823 on GJena:unit-testing into a27985f on rhiever:master.

[rhiever]

Happy to see the coverage going up slowly but surely! 👍

[rhiever]

@teaearlgraycold is adding unit tests for _rbf() (new feature preprocessing method), so don't worry about that one.

[coveralls]

Coverage increased (+15.8%) to 44.742% when pulling 92f32fc on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+16.5%) to 45.418% when pulling a74b99b on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+16.5%) to 45.418% when pulling ab2e74a on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+18.6%) to 47.515% when pulling e945f5e on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+19.8%) to 48.738% when pulling bb89285 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+19.8%) to 48.738% when pulling bb89285 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+21.07%) to 50.0% when pulling 21782ff on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+21.6%) to 50.569% when pulling 31c5efd on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+22.2%) to 51.126% when pulling 1f70f42 on GJena:unit-testing into a27985f on rhiever:master.

[coveralls]

Coverage increased (+23.3%) to 52.186% when pulling 8fcaa79 on GJena:unit-testing into a27985f on rhiever:master.

[rhiever]

Going to go ahead and merge this PR. @GJena, when you have more unit tests ready, please open a separate PR. Thank you!