Fix tests

Author: wouterj

.travis.yml

@@ -24,7 +24,8 @@ matrix:
     - php: 7.1
       env: DEPS=dev SYMFONY_VERSION=3.3.*
     - php: 5.6
-      env: COMPOSER_FLAGS="--prefer-lowest" SYMFONY_DEPRECATIONS_HELPER=weak
+      # phpcr/phpcr 2.1.2 requirement is needed to not confuse Composer
+      env: COMPOSER_FLAGS="--prefer-lowest" SYMFONY_DEPRECATIONS_HELPER=weak SYMFONY_VERSION="2.8.* phpcr/phpcr:2.1.2"
     - php: 7.1
       env: SYMFONY_VERSION=3.1.*
   fast_finish: true

composer.json

@@ -28,7 +28,7 @@
         "doctrine/orm": "^2.5",
         "doctrine/data-fixtures": "^1.0.0"
     },
-    "minimum-stability": "rc",
+    "minimum-stability": "RC",
     "prefer-stable": true,
     "suggest": {
         "doctrine/phpcr-odm": "To enable support for the PHPCR ODM documents (^1.4)",