Add user information drop down to top right (#64)

Reviewed-on: #64

test/system/credit_card_bills_test.rb

@@ -37,7 +37,7 @@ class CreditCardBillsTest < ApplicationSystemTestCase
 
   test "should destroy Credit card bill" do
     visit credit_card_bill_url(@credit_card_bill)
-    click_on "Delete credit card bill", match: :first
+    accept_prompt { click_on "Delete credit card bill", match: :first }
 
     assert_text "Credit card bill was successfully destroyed"
   end

test/system/expenses_test.rb

@@ -47,7 +47,7 @@ class ExpensesTest < ApplicationSystemTestCase
 
   test "should destroy Expense" do
     visit expense_url(@expense)
-    click_on "Delete expense", match: :first
+    accept_prompt { click_on "Delete expense", match: :first }
 
     assert_text "Expense was successfully destroyed"
   end

test/system/sessions_test.rb

@@ -15,6 +15,8 @@ class SessionsTest < ApplicationSystemTestCase
     login(@user.email)
 
     visit root_url
+    # Open the user dropdown by clicking the checkbox label
+    find('label[for="user-dropdown"]').click
     click_on "Log out", match: :first
 
     assert_text "Session was successfully destroyed"