Refactor environments controller spec

- Now that we've separated the logs HTML and JSON format responses
into 2 APIs, refactor the specs to reflect this.

ee/spec/controllers/projects/environments_controller_spec.rb

@@ -81,25 +81,6 @@ describe Projects::EnvironmentsController do
 
     before do
       stub_licensed_features(pod_logs: true)
-
-      create(:cluster, :provided_by_gcp,
-             environment_scope: '*', projects: [project])
-      create(:deployment, :success, environment: environment)
-
-      allow_any_instance_of(Gitlab::Kubernetes::RolloutStatus).to receive(:instances)
-        .and_return([{ pod_name: pod_name }])
-    end
-
-    shared_examples 'resource not found' do |message|
-      it 'returns 400' do
-        get :k8s_pod_logs, params: environment_params(pod_name: pod_name, format: :json)
-
-        expect(response).to have_gitlab_http_status(:bad_request)
-        expect(json_response['message']).to eq(message)
-        expect(json_response['pods']).to match_array([pod_name])
-        expect(json_response['pod_name']).to eq(pod_name)
-        expect(json_response['container_name']).to eq(container)
-      end
     end
 
     context 'when unlicensed' do
@@ -122,8 +103,10 @@ describe Projects::EnvironmentsController do
         expect(response).to render_template 'logs'
       end
     end
+  end
 
-    context 'when using JSON format' do
+  describe 'GET k8s_pod_logs' do
+    let(:pod_name) { "foo" }
     let(:container) { 'container-1' }
 
     let(:service_result) do
@@ -138,10 +121,24 @@ describe Projects::EnvironmentsController do
     end
 
     before do
+      stub_licensed_features(pod_logs: true)
+
       allow_any_instance_of(PodLogsService).to receive(:execute).and_return(service_result)
     end
 
-      it 'returns the logs for a specific pod' do
+    shared_examples 'resource not found' do |message|
+      it 'returns 400', :aggregate_failures do
+        get :k8s_pod_logs, params: environment_params(pod_name: pod_name, format: :json)
+
+        expect(response).to have_gitlab_http_status(:bad_request)
+        expect(json_response['message']).to eq(message)
+        expect(json_response['pods']).to match_array([pod_name])
+        expect(json_response['pod_name']).to eq(pod_name)
+        expect(json_response['container_name']).to eq(container)
+      end
+    end
+
+    it 'returns the logs for a specific pod', :aggregate_failures do
       get :k8s_pod_logs, params: environment_params(pod_name: pod_name, format: :json)
 
       expect(response).to have_gitlab_http_status(:success)
@@ -222,7 +219,6 @@ describe Projects::EnvironmentsController do
       end
     end
   end
-  end
 
   describe '#GET terminal' do
     let(:protected_environment) { create(:protected_environment, name: environment.name, project: project) }