rewrite test with "expect to change" syntax

Co-authored-by: mfo <mfo@users.noreply.github.com>

spec/controllers/users/passwords_controller_spec.rb

@@ -40,8 +40,7 @@ describe Users::PasswordsController, type: :controller do
       end
 
       it "marks user's email as verified" do
-        expect(user.email_verified_at).to be_nil
-
+        expect do
           put :update, params: {
             user: {
               reset_password_token: @token,
@@ -49,8 +48,8 @@ describe Users::PasswordsController, type: :controller do
               password_confirmation: "mot de passe super secret"
             }
           }
-
-        expect(user.reload.email_verified_at).to be_present
+        end.to change { user.reload.email_verified_at }
+          .from(nil).to(anything)
       end
     end
   end