tests: fix tests for Rails.cache.

test/functional/moderator/invitations_controller_test.rb

@@ -7,7 +7,6 @@ module Moderator
         @mod = FactoryGirl.create(:moderator_user)
         CurrentUser.user = @mod
         CurrentUser.ip_addr = "127.0.0.1"
-        MEMCACHE.flush_all
 
         @user_1 = FactoryGirl.create(:user)
         @user_2 = FactoryGirl.create(:user, :inviter_id => @mod.id)

test/functional/moderator/ip_addrs_controller_test.rb

@@ -8,7 +8,6 @@ module Moderator
         CurrentUser.user = @user
         CurrentUser.ip_addr = "127.0.0.1"
         FactoryGirl.create(:comment)
-        MEMCACHE.flush_all
       end
 
       should "find by ip addr" do

test/functional/posts_controller_test.rb

@@ -8,7 +8,6 @@ class PostsControllerTest < ActionController::TestCase
       CurrentUser.user = @user
       CurrentUser.ip_addr = "127.0.0.1"
       @post = FactoryGirl.create(:post, :uploader_id => @user.id, :tag_string => "aaaa")
-      MEMCACHE.flush_all
     end
 
     teardown do

test/functional/tag_alias_corrections_controller_test.rb

@@ -6,7 +6,6 @@ class TagAliasCorrectionsControllerTest < ActionController::TestCase
       @admin = FactoryGirl.create(:admin_user)
       CurrentUser.user = @admin
       CurrentUser.ip_addr = "127.0.0.1"
-      MEMCACHE.flush_all
       @tag_alias = FactoryGirl.create(:tag_alias, :antecedent_name => "aaa", :consequent_name => "bbb")
     end
 

test/functional/tag_alias_requests_controller_test.rb

@@ -6,7 +6,6 @@ class TagAliasRequestsControllerTest < ActionController::TestCase
       @user = FactoryGirl.create(:user)
       CurrentUser.user = @user
       CurrentUser.ip_addr = "127.0.0.1"
-      MEMCACHE.flush_all
     end
 
     teardown do

test/functional/tag_aliases_controller_test.rb

@@ -6,7 +6,6 @@ class TagAliasesControllerTest < ActionController::TestCase
       @user = FactoryGirl.create(:admin_user)
       CurrentUser.user = @user
       CurrentUser.ip_addr = "127.0.0.1"
-      MEMCACHE.flush_all
     end
 
     teardown do

test/functional/tag_implication_requests_controller_test.rb

@@ -8,7 +8,6 @@ class TagImplicationRequestsControllerTest < ActionController::TestCase
       end
       CurrentUser.user = @user
       CurrentUser.ip_addr = "127.0.0.1"
-      MEMCACHE.flush_all
     end
 
     teardown do

test/functional/tag_implications_controller_test.rb

@@ -6,7 +6,6 @@ class TagImplicationsControllerTest < ActionController::TestCase
       @user = FactoryGirl.create(:admin_user)
       CurrentUser.user = @user
       CurrentUser.ip_addr = "127.0.0.1"
-      MEMCACHE.flush_all
     end
 
     teardown do