```coffeescript
casper = require('casper').create()

d = ->
  console.log arguments...

casper.start 'http://func/ucp.php?mode=register', ->
  @test.assertHttpStatus 200
  @test.assertExists 'input[value="I agree to these terms"]'
  
  @click 'input[value="I agree to these terms"]'

casper.then ->
  @test.assertHttpStatus 200
  @test.assertDoesntExist 'input[value="I agree to these terms"]'

casper.run()
```

Add a test for correct initial value of timezone selector in registration form
user
```coffeescript
casper = require('casper').create()

d = ->
  console.log arguments...

casper.start 'http://func/ucp.php?mode=register', ->
  @test.assertHttpStatus 200
  @test.assertExists 'input[value="I agree to these terms"]'
  
  @click 'input[value="I agree to these terms"]'

casper.then ->
  @test.assertHttpStatus 200
  @test.assertDoesntExist 'input[value="I agree to these terms"]'
  
  @test.assertExists '#tz_date'
  tz_value = @evaluate ->
    document.querySelector('#tz_date').value
  # Should match system time zone
  @test.assertMatch tz_value, /^GMT-05:00/

casper.run()
```
assistant