Timeout behavior in #evaluate_async_script is only defined for selenium for now

lib/capybara/spec/session/evaluate_async_script_spec.rb

@@ -12,20 +12,11 @@ Capybara::SpecHelper.spec "#evaluate_async_script", requires: [:js] do
     expect(result).to eq ["This is a draggable element.", "Doodle Funk"]
   end
 
-  it "should support returning elements after a timeout", requires: [:js, :es_args] do
+  it "should support returning elements after asynchronous operation", requires: [:js, :es_args] do
     @session.visit('/with_js')
     @session.find(:css, '#change') # ensure page has loaded and element is available
     el = @session.evaluate_async_script("var cb = arguments[0]; setTimeout(function(){ cb(document.getElementById('change')) }, 100)")
     expect(el).to be_instance_of(Capybara::Node::Element)
     expect(el).to eq(@session.find(:css, '#change'))
   end
-
-  it "will timeout if the script takes too long" do
-    @session.visit('/with_js')
-    expect do
-      @session.using_wait_time(1) do
-        @session.evaluate_async_script("var cb = arguments[0]; setTimeout(function(){ cb(null) }, 3000)")
-      end
-    end.to raise_error
-  end
 end

spec/shared_selenium_session.rb

@@ -180,6 +180,17 @@ RSpec.shared_examples "Capybara::Session" do |session, mode|
           }
         })
       end
+
+      describe "#evaluate_async_script" do
+        it "will timeout if the script takes too long" do
+          @session.visit('/with_js')
+          expect do
+            @session.using_wait_time(1) do
+              @session.evaluate_async_script("var cb = arguments[0]; setTimeout(function(){ cb(null) }, 3000)")
+            end
+          end.to raise_error Selenium::WebDriver::Error::ScriptTimeoutError
+        end
+      end
     end
 
     describe "Element#inspect" do