Update tests to require 1.2

rtheunissen · rtheunissen · commit d18895623a93 · 2017-08-03T13:48:42.000+12:00
diff --git a/composer.json b/composer.json
@@ -12,7 +12,7 @@
         "php": ">=7.0.0"
     },
     "require-dev": {
-        "php-ds/tests": "^1.1"
+        "php-ds/tests": "^1.2"
     },
     "suggest": {
         "ext-ds": "to improve performance and reduce memory usage"
