Add deployments security check

spec/features/security/project/private_access_spec.rb

@@ -417,6 +417,21 @@ describe "Private Project Access", feature: true  do
     it { is_expected.to be_denied_for(:visitor) }
   end
 
+  describe "GET /:project_path/environments/:id/deployments" do
+    let(:environment) { create(:environment, project: project) }
+    subject { namespace_project_environment_path(project.namespace, project, environment) }
+
+    it { is_expected.to be_allowed_for(:admin) }
+    it { is_expected.to be_allowed_for(:owner).of(project) }
+    it { is_expected.to be_allowed_for(:master).of(project) }
+    it { is_expected.to be_allowed_for(:developer).of(project) }
+    it { is_expected.to be_allowed_for(:reporter).of(project) }
+    it { is_expected.to be_denied_for(:guest).of(project) }
+    it { is_expected.to be_denied_for(:user) }
+    it { is_expected.to be_denied_for(:external) }
+    it { is_expected.to be_denied_for(:visitor) }
+  end
+
   describe "GET /:project_path/environments/new" do
     subject { new_namespace_project_environment_path(project.namespace, project) }