Fix: Tests lint and src folder (#138)

* Automaticly fixable eslint issues, mostly 3 -> 2 space indentation

* fix: updated plex_userid to camelcase

* Linted and some consistency refactor on middleware

* eslint uses ecmaversion 2020 & allow empty catch rule

* Started linting source files

* Fixed eslint errors & improved a lot of error handling

* Set 2 eslint rules as warning temporarly

* Updated all import statements to be relative

* Updated mocha & nyc, resolved all lint issues in tests/

* Updated mocha & nyc. Removed production config. Updated gitignore

* Updated test commands to omit system tests, no exit code

* Updated test configuration w/ missing keys

* Chai modules defined in package.json & resolved linting errors

* Dockerfile copies development.example -> production.json. Simplified commands

* All api calls from tests use same chaiHttp implementation

Removes a list of fetch alternatives after being replaced by chaiHttp:
 - request
 - request-promise
 - supertest
 - supertest-as-promised

* Tests should use redis (mock) cache, not tmdb sqlite cache

* Disabled test asADeveloperIWantTheServerToStart

* Re-enable tests/system

* Use chaiHttp in asAUserIWantToRequestAMovie.

* Fixed redis expire & mock implmentation

* Replaced all fetch alternatives from source code and package.json

* Pass error from tmdb api back to client as errorMessage

* Updated authentication middleware to handle checks consitenctly

* Prevent assert error when checking request status, returns success 200

* Resolved merge conflicts

* Only build and publish docker container when branch master

src/tmdb/tmdb.js

@@ -38,17 +38,17 @@ class TMDBNotReachableError extends Error {
 }
 
 const tmdbErrorResponse = (error, type = null) => {
-  if (error.status === 404) {
-    const message = error.response.body.status_message;
+  if (error?.status === 404) {
+    const message = error?.response?.body?.status_message;
 
     throw new TMDBNotFoundError(`${message.slice(0, -1)} in tmdb.`);
-  } else if (error.status === 401) {
+  } else if (error?.status === 401) {
     throw new TMDBUnauthorizedError(error?.response?.body?.status_message);
   } else if (error?.code === "ENOTFOUND") {
     throw new TMDBNotReachableError();
   }
 
-  throw new TMDBUnexpectedError(type, error);
+  throw new TMDBUnexpectedError(type, error.message);
 };
 
 /**