Rails 5 fix glob spec

changelogs/unreleased/rails5-fix-47376.yml

+---
+title: Rails 5 fix glob spec
+merge_request: 19469
+author: Jasper Maes
+type: fixed

spec/lib/gitlab/sql/glob_spec.rb

@@ -35,8 +35,9 @@ describe Gitlab::SQL::Glob do
     value = query("SELECT #{quote(string)} LIKE #{pattern}")
               .rows.flatten.first
+    check = Gitlab.rails5? ? true : 't'
     case value
-    when 't', 1
+    when check, 1
       true
     else
       false