Favor firefox as test runner in cypress

- we have recommended our users to use firefox, so why should we test in
  Electron?

.travis.yml

@@ -6,7 +6,8 @@ addons:
       - libgconf-2-4
   snaps:
     - docker
-
+  firefox: "latest-esr"
+
 install:
   - yarn global add wait-on
   # Install Codecov

cypress/integration/common/report.js

@@ -169,7 +169,7 @@ Then('each list item links to the post page', () => {
 Then('I can visit the post page', () => {
   cy.contains(annoyingUserWhoMutedModeratorTitle).click()
   cy.location('pathname').should('contain', '/post')
-    .get('h3').should('contain', annoyingUserWhoMutedModeratorTitle)
+    .get('.ds-card-content .hyphenate-text').should('contain', annoyingUserWhoMutedModeratorTitle)
 })
 
 When("they have a post someone has reported", () => {

package.json

@@ -18,8 +18,8 @@
     "cypress:backend": "cd backend && yarn run dev",
     "cypress:webapp": "cd webapp && yarn run dev",
     "cypress:setup": "run-p cypress:backend cypress:webapp",
-    "cypress:run": "cross-env cypress run",
-    "cypress:open": "cross-env cypress open",
+    "cypress:run": "cross-env cypress run --browser firefox",
+    "cypress:open": "cross-env cypress open --browser firefox",
     "cucumber:setup": "cd backend && yarn run dev",
     "cucumber": "wait-on tcp:4000 && cucumber-js --require-module @babel/register --exit",
     "release": "standard-version",