add specs

spec/controllers/medical_releases_controller_spec.rb

@@ -88,4 +88,27 @@ RSpec.describe MedicalReleasesController, type: :controller do
       }.to change(MedicalRelease, :count).by(-1)
     end
   end
+
+  describe "#review" do
+    let!(:medical_release) { create(:medical_release, project: project) }
+
+    it "responds successfully" do
+      get :review, params: { project_id: project, id: medical_release }
+
+      expect(response).to be_successful
+    end
+  end
+
+  describe "#approve" do
+    it "changes approval status successfully" do
+      medical_release = create(:medical_release, project: project)
+
+      expect(MedicalRelease.last.approved?).to eq false
+
+      patch :approve, params: { project_id: project, id: medical_release }
+
+      expect(response).to redirect_to [project, :medical_releases]
+      expect(MedicalRelease.last.approved?).to eq true
+    end
+  end
 end