refactor: moving unit tests over to jest (#672)

* refactor: moving httpsnuppet-client-api tests over to jest

* refactor: moving api package tests over to jest

* fix: linting issues

* fix: broken tests

* fix: bumping up the global test timeout to 20s. codegen's slow, man

* fix: removing some circular refs from the dataset

.eslintignore

@@ -1,12 +1,12 @@
 !.alexrc.js
 
 # api subpackage
-packages/api/.nyc_output/
+packages/api/coverage/
 packages/api/dist/
 packages/api/test/__fixtures__/sdk/
 
 # httpsnippet-client-api subpackage
-packages/httpsnippet-client-api/.nyc_output/
+packages/httpsnippet-client-api/coverage/
 packages/httpsnippet-client-api/dist/
 packages/httpsnippet-client-api/node_modules/
 packages/httpsnippet-client-api/test/__datasets__/**/output.js

.prettierignore

@@ -2,17 +2,16 @@ CHANGELOG.md
 
 # api subpackage
 packages/api/.api/
-packages/api/.nyc_output/
+packages/api/coverage/
 packages/api/.eslint*
 packages/api/.gitignore
-packages/api/.mocharc.json
 packages/api/.prettier*
 packages/api/CHANGELOG.md
 packages/api/dist/
 packages/api/example.js
 packages/api/test/__fixtures__/sdk/
 
 # httpsnippet-client-api subpackage
-packages/httpsnippet-client-api/.nyc_output/
+packages/httpsnippet-client-api/coverage/
 packages/httpsnippet-client-api/dist/
 packages/httpsnippet-client-api/test/__datasets__/**/output.js