Fix broken system tests (#4)

Reviewed-on: #4

test/system/credit_card_bills_test.rb

@@ -0,0 +1,43 @@
+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