Somtimes the key is the empty string

Author: estolfo

api-spec-testing/rspec_matchers.rb

@@ -194,6 +194,8 @@ def compare_hash(expected_pairs, actual_hash, test)
         test.get_cached_value(k)
       end
       actual_value = TestFile::Test.find_value_in_document(split_key, actual_hash)
+      # When the expected_key is ''
+      actual_value = actual_hash if split_key.empty?
       # Sometimes the key includes dots. See watcher/put_watch/60_put_watch_with_action_condition.yml
       actual_value = TestFile::Test.find_value_in_document(expected_key, actual_hash) if actual_value.nil?