try

Author: shubhangi-google

google-cloud-storage/test/google/cloud/storage/lazy/bucket_signed_url_v2_test.rb

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 require "helper"
+require "cgi"
 
 describe Google::Cloud::Storage::Bucket, :signed_url, :v2, :lazy, :mock_storage do
   let(:bucket_name) { "bucket" }