Made the send_keys helper work in selenium as well as cuprite

[iainbeeston]

Description

A few of the test helpers use the type helper method but in selenium it raises this error:

 NoMethodError:
   undefined method `keyboard' for #<Selenium::WebDriver::Chrome::Driver:0x000000013ebbb950>

I've changed this to do the same thing (type in the focused element) but in a way that should work in every capybara driver.

Fixes # (issue)

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

Screenshots & recording

Manual review steps

1. Tests using add_tag and other helpers that use the keyboard should still pass.

Manual reviewer: please leave a comment with output from the test if that's the case.

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[Paul-Bob]

Hey @iainbeeston thank you for looking into this.

It seems that page.send_keys(...) is breaking our tests on cuprite.

Not sure if we can make a method that is 100% compatible with both selenium and cuprite, can you have a look into it?

If it's blocking, an alternative approach would be to override it on your side or to make 2 methods:

def cuprite_type(...)
  page.driver.browser.keyboard.type(...)
end

def selenium_type(...)
  page.send_keys(...)
end

[Paul-Bob]

Thank you for this contribution @iainbeeston