fix(tests): undefine process

Author: Loïc Mangeonjean

browserMock.js

@@ -6,6 +6,8 @@ Object.defineProperty(document, 'queryCommandSupported', {
   value: jest.fn().mockImplementation(() => true),
 });
 
+window.process = undefined
+
 Object.defineProperty(window, 'matchMedia', {
   writable: true,
   value: jest.fn().mockImplementation(query => ({

package.json

@@ -100,7 +100,7 @@
     "modulePathIgnorePatterns": [
       "<rootDir>/dist/"
     ],
-    "setupFiles": [
+    "setupFilesAfterEnv": [
       "fake-indexeddb/auto",
       "<rootDir>/browserMock.js"
     ],