Increase default Selenium driver timeout

It's common for the first net http request to fail, supposedly due to
the length of time asset compilation can take. Increase the default
timeout to 90 seconds.

Author: Steve Laing

test/test_helper.rb

@@ -15,13 +15,17 @@
   capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
     chromeOptions: { args: %w(headless disable-gpu no-sandbox) }
   )
+  client = Selenium::WebDriver::Remote::Http::Default.new
+  client.timeout = 90 # Asset compilation can result in a timeout on the first request hence the increase.
 
   Capybara::Selenium::Driver.new(
     app,
     browser: :chrome,
-    desired_capabilities: capabilities
+    desired_capabilities: capabilities,
+    http_client: client
   )
 end
+
 Capybara.default_driver = :headless_chrome
 Capybara.javascript_driver = :headless_chrome