Unit testing (#32)

* add testing lib

* remove coverage folder from git

* finished basic test setup

* fix tests typescript and import paths

* add first snapshot

* testing utils

* rename test files; update script flags; ++tests

* testing utils functions

* testing downloadAndResize wip

* remove download test

* specify unwanted coverage paths;
remove update snapshots flag

* fix strings tests

* testing downloadAndResize method

* increasing testing

* fixing snapshots wip

* fixed shell mobile snapshot

* adding snapshots for the screens

* fix onboard snapshot

* fix typescript issues

* fix TabsSelector snapshot

* Account for testing device's locale in ago() tests

* Remove platform detection on regex

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/lib/download.ts

@@ -1,7 +1,7 @@
 import RNFetchBlob from 'rn-fetch-blob'
 import ImageResizer from '@bam.tech/react-native-image-resizer'
 
-interface DownloadAndResizeOpts {
+export interface DownloadAndResizeOpts {
   uri: string
   width: number
   height: number