super_admin: check password complexity client side

spec/controllers/super_admins/passwords_controller_spec.rb

@@ -0,0 +1,12 @@
+describe SuperAdmins::PasswordsController, type: :controller do
+  describe '#test_strength' do
+    it 'calculate score' do
+      password = "bonjour"
+      @request.env["devise.mapping"] = Devise.mappings[:super_admin]
+
+      get 'test_strength', xhr: true, params: { super_admin: { password: password } }
+
+      expect(assigns(:score)).to be_present
+    end
+  end
+end