Merge branch '1.1'

* 1.1:
  Fix tests
  Fixed createResponse

Author: nicolas-grekas

.travis.yml

@@ -14,15 +14,16 @@ matrix:
     fast_finish: true
     include:
           # Minimum supported dependencies with the latest and oldest PHP version
-        - php: 7.2
+        - php: 7.3
           env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest" SYMFONY_DEPRECATIONS_HELPER="weak_vendors"
 
         - php: 7.1
         - php: 7.2
+        - php: 7.3
           env: COVERAGE=true PHPUNIT_FLAGS="-v --coverage-text"
 
           # Latest commit to master
-        - php: 7.2
+        - php: 7.3
           env: STABILITY="dev"
 
     allow_failures: