[2.0] Fix tests (#1549)

Author: dunglas

.travis.yml

@@ -7,6 +7,10 @@ cache:
     - $HOME/.composer/cache
     - $HOME/.npm
 
+env:
+  global:
+    - SYMFONY_DEPRECATIONS_HELPER=weak
+
 matrix:
   include:
     - php: '7.0'

appveyor.yml

@@ -6,12 +6,13 @@ cache:
   - '%LOCALAPPDATA%\Composer\files'
 
 init:
-  - SET PATH=c:\tools\php71;%PATH%
+  - SET PATH=c:\tools\php72;%PATH%
+  - SET SYMFONY_DEPRECATIONS_HELPER=weak
 
 install:
   - ps: Set-Service wuauserv -StartupType Manual
   - cinst -y php
-  - cd c:\tools\php71
+  - cd c:\tools\php72
   - copy php.ini-production php.ini /Y
   - echo date.timezone="UTC" >> php.ini
   - echo extension_dir=ext >> php.ini