Fix spec errors

- incorrect hash format
- ensure summary cache feature flag is false when
  spec checks the params given to initialize the
  finder object

ee/spec/requests/security/vulnerability_findings_spec.rb

@@ -29,7 +29,7 @@ shared_examples 'instance security dashboard vulnerability findings endpoint' do
 
       expect(findings_fetcher).to receive(:new).with(
         anything,
-        params: hash_including('project_id' => [findings_project.id])
+        params: hash_including(project_id: [findings_project.id])
       ).and_return(fetcher_double)
 
       get findings_endpoint, headers: findings_headers
@@ -45,7 +45,7 @@ shared_examples 'instance security dashboard vulnerability findings endpoint' do
 
       expect(findings_fetcher).to receive(:new).with(
         anything,
-        params: hash_including('project_id' => [findings_project.id])
+        params: hash_including(project_id: [findings_project.id])
       ).and_return(fetcher_double)
 
       get findings_endpoint, headers: findings_headers, params: project_ids_param
@@ -77,7 +77,7 @@ shared_examples 'instance security dashboard vulnerability findings endpoint' do
 
         expect(findings_fetcher).to receive(:new).with(
           anything,
-          params: hash_including('project_id' => [findings_project.id])
+          params: hash_including(project_id: [findings_project.id])
         ).and_return(fetcher_double)
 
         get findings_endpoint, headers: findings_headers, params: project_ids_param
@@ -90,13 +90,14 @@ shared_examples 'instance security dashboard vulnerability findings endpoint' do
       let(:findings_user) { create(:auditor) }
 
       it 'fetches vulnerabilities for all given projects on their dashboard' do
+        stub_feature_flags(cache_vulnerability_summary: false)
         unmembered_project = create(:project)
         findings_user.security_dashboard_projects << unmembered_project
         project_ids_param = { project_id: [findings_project.id, unmembered_project.id] }
 
         expect(findings_fetcher).to receive(:new).with(
           anything,
-          params: hash_including('project_id' => array_including(findings_project.id, unmembered_project.id))
+          params: hash_including(project_id: array_including(findings_project.id, unmembered_project.id))
         ).and_return(fetcher_double)
 
         get findings_endpoint, headers: findings_headers, params: project_ids_param