budget/test/system/credit_card_bills_test.rb

require "application_system_test_case"

class CreditCardBillsTest < ApplicationSystemTestCase
  setup do
    @credit_card_bill = credit_card_bills(:one)
  end

  test "visiting the index" do
    visit credit_card_bills_url
    assert_selector "h1", text: "Credit card bills"
  end

  test "should create credit card bill" do
    visit credit_card_bills_url
    click_on "New credit card bill"

    fill_in "Amount", with: @credit_card_bill.amount
    fill_in "Description", with: @credit_card_bill.description
    click_on "Create Credit card bill"

    assert_text "Credit card bill was successfully created"
    click_on "Back"
  end

  test "should update Credit card bill" do
    visit credit_card_bill_url(@credit_card_bill)
    click_on "Edit this credit card bill", match: :first

    fill_in "Amount", with: @credit_card_bill.amount
    fill_in "Description", with: @credit_card_bill.description
    click_on "Update Credit card bill"

    assert_text "Credit card bill was successfully updated"
    click_on "Back"
  end

  test "should destroy Credit card bill" do
    visit credit_card_bill_url(@credit_card_bill)
    click_on "Destroy this credit card bill", match: :first

    assert_text "Credit card bill was successfully destroyed"
  end
end