Configura Travis para novo suporte do PHP

- Remove testes com Laravel Dusk
- Remove suporte ao PHP 7.2
- Adiciona suporte ao PHP 7.4

.travis.yml

@@ -2,49 +2,11 @@ matrix:
 
   include:
 
-    - language: php
-
-      php:
-        - '7.2'
-
-      sudo: required
-
-      dist: xenial
-
-      addons:
-        postgresql: '9.5'
-        chrome: stable
-
-      cache:
-        directories:
-          - $HOME/.composer/cache
-
-      before_script:
-        - composer new-install
-        - php artisan dusk:chrome-driver
-        - php artisan serve > /dev/null 2>&1 &
-
-      script:
-        - vendor/bin/phpunit
-        - vendor/bin/phpunit --testsuite Diario
-        - php artisan dusk
-
-      env:
-        - APP_URL=http://localhost:8000
-        - APP_ENV=testing
-        - DB_CONNECTION=pgsql
-        - DB_HOST=localhost
-        - DB_PORT=5432
-        - DB_DATABASE=travis
-        - DB_USERNAME=postgres
-        - DB_PASSWORD=
-        - API_ACCESS_KEY=ieducar-access-key
-        - API_SECRET_KEY=ieducar-secret-key
-
     - language: php
 
       php:
         - '7.3'
+        - '7.4'
 
       sudo: required
 
@@ -60,13 +22,11 @@ matrix:
 
       before_script:
         - composer new-install
-        - php artisan dusk:chrome-driver
         - php artisan serve > /dev/null 2>&1 &
 
       script:
         - vendor/bin/phpunit
         - vendor/bin/phpunit --testsuite Diario
-        - php artisan dusk
 
       env:
         - APP_URL=http://localhost:8000