Add setting to allow remove investments supports

spec/controllers/budgets/investments/votes_controller_spec.rb

@@ -0,0 +1,29 @@
+require "rails_helper"
+
+describe Budgets::Investments::VotesController do
+  let(:user) { create(:user) }
+  let(:budget) { create(:budget, :selecting) }
+  let(:investment) { create(:budget_investment, budget: budget) }
+  let(:vote) { create(:vote, votable: investment, voter: user) }
+  before { sign_in user }
+
+  describe "DELETE destroy" do
+    it "raises an exception when the remove supports feature is disabled" do
+      Setting["feature.remove_investments_supports"] = false
+
+      expect do
+        delete :destroy, xhr: true, params: { budget_id: budget, investment_id: investment, id: vote }
+      end.to raise_exception(FeatureFlags::FeatureDisabled)
+    end
+  end
+
+  describe "POST create" do
+    it "is not affected by the remove supports feature" do
+      Setting["feature.remove_investments_supports"] = false
+
+      post :create, params: { budget_id: budget, investment_id: investment }
+
+      expect(response).to redirect_to budget_investments_path(heading_id: investment.heading.id)
+    end
+  end
+end