Add tests for recently added API end points

spec/controllers/api/v1/accounts_controller_spec.rb

@@ -46,6 +46,20 @@ RSpec.describe Api::V1::AccountsController, type: :controller do
     end
   end
 
+  describe 'GET #suggestions' do
+    it 'returns http success' do
+      get :suggestions
+      expect(response).to have_http_status(:success)
+    end
+  end
+
+  describe 'GET #common_followers' do
+    it 'returns http success' do
+      get :common_followers, params: { id: user.account.id }
+      expect(response).to have_http_status(:success)
+    end
+  end
+
   describe 'POST #follow' do
     let(:other_account) { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob')).account }