Ignore imported images when running tests

Author: Shane32

jest.config.js

@@ -6,6 +6,8 @@ module.exports = {
   ],
   transform: {
     '^.+\\.(ts|tsx)$': 'ts-jest',
+    '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$':
+      './config/fileTransformer.js',
   },
   globals: {
     'ts-jest': {