Package and org list fetchers are static in unit tests

[#173719526]

Authored-by: Sarah Weinstein <sweinstein@pivotal.io>

Author: sweinstein22

spec/unit/fetchers/org_list_fetcher_spec.rb

@@ -11,7 +11,7 @@ module VCAP::CloudController
     let!(:org5) { Organization.make(name: 'Groundhog') }
     let(:some_org_guids) { [org1.guid, org3.guid, org4.guid] }
 
-    let(:fetcher) { OrgListFetcher.new }
+    let(:fetcher) { OrgListFetcher }
 
     let(:message) { OrgsListMessage.from_params({}) }
 

spec/unit/fetchers/package_list_fetcher_spec.rb

@@ -21,7 +21,7 @@ module VCAP::CloudController
     let!(:package_for_app2) { PackageModel.make(app_guid: app2_in_space1.guid, type: PackageModel::DOCKER_TYPE, state: PackageModel::CREATED_STATE) }
     let!(:package_for_app3) { PackageModel.make(app_guid: app3_in_space2.guid, type: PackageModel::BITS_TYPE) }
 
-    subject(:fetcher) { PackageListFetcher.new }
+    subject(:fetcher) { PackageListFetcher }
     let(:message) { PackagesListMessage.from_params(filters) }
 
     let(:filters) { {} }