Isolate each specs for cache store (#6450)

The cache store is explicitly used by some specs, but they were not
isolated and therefore not reliable. This fixes the issue by clearing
the cache after each specs.

1 files changed, 2 insertions, 0 deletions

diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 4f7399505..dc1f32e08 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -51,6 +51,8 @@ RSpec.configure do |config|
   end
 
   config.after :each do
+    Rails.cache.clear
+
     keys = Redis.current.keys
     Redis.current.del(keys) if keys.any?
   end