Try other things

package.json

@@ -14,7 +14,7 @@
     "start": "echo 'use `sudo docker-compose up` instead.'",
     "heroku-postbuild": "webpack --config=./config/webpack.prod.js",
     "webpack": "./node_modules/.bin/webpack-dev-server --config config/webpack.dev.js",
-    "test-slow": "jest --runInBand --coverage --ci",
+    "test-slow": "jest --coverage --ci --maxWorkers=6",
     "test": "jest --no-coverage --cache -w 5",
     "typecheck": "./node_modules/.bin/tsc --noEmit --jsx preserve",
     "tslint": "./node_modules/tslint/bin/tslint --project .",

webpack/__test_support__/mock_fbtoaster.ts

@@ -1,3 +1,4 @@
+jest.resetAllMocks();
 jest.mock("farmbot-toastr", () => ({
   fun: jest.fn(),
   init: jest.fn(),

webpack/__test_support__/unmock_i18next.ts

@@ -3,11 +3,9 @@ import { Dictionary } from "farmbot";
 
 templateSettings.interpolate = /{{([\s\S]+?)}}/g;
 
-const mockTemplate = template;
-
 jest.mock("i18next", () => ({
   t: (i: string, translation: Dictionary<string> = {}): string => {
-    const precompiledTemplate = mockTemplate(i);
+    const precompiledTemplate = template(i);
     return precompiledTemplate(translation);
   },
   init: jest.fn()