Test SF 3.4 against nightly

Author: Geolim4

.travis.yml

@@ -14,12 +14,14 @@ matrix:
   allow_failures:
     - php: nightly
   include:
+    - php: 7.0
+      env: COMPOSER_FLAGS="--prefer-lowest" SYMFONY_DEPRECATIONS_HELPER="weak"
     - php: 7.1
       env: SYMFONY_VERSION="3.4.*"
     - php: 7.2
       env: SYMFONY_VERSION="3.4.*"
-    - php: 7.0
-      env: COMPOSER_FLAGS="--prefer-lowest" SYMFONY_DEPRECATIONS_HELPER="weak"
+    - php: nightly
+      env: SYMFONY_VERSION="3.4.*"
 
 sudo: false