Refactor testing js file and made more modular.

Fortellis Notes.md

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+Fortellis Notes
+
+Subscription ID
+* Appears to give us a list of all dealerships we have access to, and `apiDmsInfo` contains the integrations that are enabled for that dealership.
+* Will likely need to filter based on the DMS ID or something? 
+* Should store the whole subscription object. Contains department information needed in subsequent calls. 
+
+
+Department ID
+* May have multiple departments. Appears that financial stuff goes to Accounting, History will go to Service. 
+* TODO: How do we handle the multiple departments that may come up.
+
+
+# Feedback
+* Receiving bad request errors, with no details. API errors page doesn't indicate what's wrong. 
+
+# API Error
+* Not in real time - appaers to be every 3 minutes?