Remove references of project.cluster from specs

app/controllers/projects/clusters_controller.rb

@@ -75,7 +75,7 @@ class Projects::ClustersController < Projects::ApplicationController
         end
         format.html do
           flash[:notice] = "Cluster was successfully updated."
-          redirect_to project_cluster_path(project, project.cluster)
+          redirect_to project_cluster_path(project, cluster)
         end
       end
     else

spec/controllers/projects/clusters_controller_spec.rb

@@ -255,7 +255,7 @@ describe Projects::ClustersController do
           it 'creates a new cluster' do
             expect(ClusterProvisionWorker).to receive(:perform_async)
             expect { go }.to change { Clusters::Cluster.count }
-            expect(response).to redirect_to(project_cluster_path(project, project.cluster))
+            expect(response).to redirect_to(project_cluster_path(project, project.clusters.last))
           end
         end
       end
@@ -422,7 +422,7 @@ describe Projects::ClustersController do
             go
 
             cluster.reload
-            expect(response).to redirect_to(project_cluster_path(project, project.cluster))
+            expect(response).to redirect_to(project_cluster_path(project, cluster))
             expect(flash[:notice]).to eq('Cluster was successfully updated.')
             expect(cluster.enabled).to be_falsey
           end

spec/migrations/migrate_gcp_clusters_to_new_clusters_architectures_spec.rb

@@ -57,7 +57,7 @@ describe MigrateGcpClustersToNewClustersArchitectures, :migration do
       expect(cluster.platform_type).to eq('kubernetes')
 
       expect(cluster.project).to eq(project)
-      expect(project.cluster).to eq(cluster)
+      expect(project.clusters).to include(cluster)
 
       expect(cluster.provider_gcp.cluster).to eq(cluster)
       expect(cluster.provider_gcp.status).to eq(status)
@@ -134,7 +134,7 @@ describe MigrateGcpClustersToNewClustersArchitectures, :migration do
       expect(cluster.platform_type).to eq('kubernetes')
 
       expect(cluster.project).to eq(project)
-      expect(project.cluster).to eq(cluster)
+      expect(project.clusters).to include(cluster)
 
       expect(cluster.provider_gcp.cluster).to eq(cluster)
       expect(cluster.provider_gcp.status).to eq(status)