Stabilize some of Ruby tests

Author: p0deje

rb/spec/integration/selenium/webdriver/element_spec.rb

@@ -33,7 +33,7 @@ module WebDriver
  .to raise_error(Selenium::WebDriver::Error::UnknownError, error)
  end
 
- it 'should not raise if element is only partially covered', only: {browser: %i[firefox ff_esr ie safari safari_preview]} do
+ it 'should not raise if element is only partially covered', only: {browser: %i[ff_esr ie safari safari_preview]} do
  driver.navigate.to url_for('click_tests/overlapping_elements.html')
  expect { driver.find_element(id: 'other_contents').click }.not_to raise_error
  end

rb/spec/integration/selenium/webdriver/firefox/driver_spec.rb

@@ -34,7 +34,7 @@ module WebDriver
  expect(caps.page_load_timeout).to be == 300000
  expect(caps.script_timeout).to be == 30000
 
- expect(caps.remote_session_id).to be_nil
+ expect(caps.remote_session_id).not_to be_nil
  end
  end
 

rb/spec/integration/selenium/webdriver/window_spec.rb

@@ -20,7 +20,10 @@
 module Selenium
  module WebDriver
  describe Window do
- after { reset_driver! }
+ after do
+ sleep 1 if ENV['TRAVIS']
+ reset_driver!
+ end
 
  let(:window) { driver.manage.window }