spec: restart driver with saucelabs & set custom timeout

Change-Id: Ib7dafd337a4226dc29772dd24f5c2bc13536ad61
Reviewed-on: https://gerrit.instructure.com/120858
Tested-by: Jenkins
Reviewed-by: Robert Lamb <rlamb@instructure.com>
Product-Review: Robert Lamb <rlamb@instructure.com>
QA-Review: Robert Lamb <rlamb@instructure.com>

spec/selenium/common.rb

@@ -188,5 +188,10 @@ shared_context "in-process server selenium tests" do
     ensure
       SeleniumDriverSetup.disallow_requests!
     end
+
+    if SeleniumDriverSetup.reset_driver_between_specs?
+      driver.quit
+      SeleniumDriverSetup.reset!
+    end
   end
 end

spec/selenium/test_setup/selenium_driver_setup.rb

@@ -42,8 +42,8 @@ module SeleniumDriverSetup
     # nothing should wait by default
     implicit_wait: 0,
     # except finding elements
-    finder: 5,
-    script: 5
+    finder: CONFIG[:finder_timeout_seconds] || 5,
+    script: CONFIG[:script_timeout_seconds] || 5
   }.freeze
 
   # If you have some really slow UI, you can temporarily override
@@ -91,6 +91,11 @@ module SeleniumDriverSetup
       @driver = nil
     end
 
+    def reset_driver_between_specs?
+      SeleniumDriverSetup::CONFIG[:remote_url].present? &&
+        SeleniumDriverSetup::CONFIG[:remote_url].downcase.include?("saucelabs")
+    end
+
     def run
       begin
         [