Fix issue with not defaulting locator

lib/capybara/node/actions.rb

@@ -129,7 +129,7 @@ module Capybara
       #   @macro waiting_behavior
       #
       # @return [Capybara::Node::Element]  The element checked or the label clicked
-      def check(locator, **options)
+      def check(locator = nil, **options)
         _check_with_label(:checkbox, true, locator, **options)
       end
 

lib/capybara/spec/session/check_spec.rb

@@ -62,6 +62,12 @@ Capybara::SpecHelper.spec "#check" do
     expect(extract_results(@session)['pets']).to include('dog', 'cat', 'hamster')
   end
 
+  it "should work without a locator string" do
+    @session.check(id: "form_pets_cat")
+    @session.click_button('awesome')
+    expect(extract_results(@session)['pets']).to include('dog', 'cat', 'hamster')
+  end
+
   it "casts to string" do
     @session.check(:form_pets_cat)
     @session.click_button('awesome')

lib/capybara/spec/session/choose_spec.rb

@@ -17,6 +17,12 @@ Capybara::SpecHelper.spec "#choose" do
     expect(extract_results(@session)['gender']).to eq('both')
   end
 
+  it "should work without a locator string" do
+    @session.choose(id: "gender_male")
+    @session.click_button('awesome')
+    expect(extract_results(@session)['gender']).to eq('male')
+  end
+
   it "casts to string" do
     @session.choose("Both")
     @session.click_button(:awesome)

lib/capybara/spec/session/uncheck_spec.rb

@@ -19,6 +19,13 @@ Capybara::SpecHelper.spec "#uncheck" do
     expect(extract_results(@session)['pets']).not_to include('hamster')
   end
 
+  it "should work without a locator string" do
+    @session.uncheck(id: "form_pets_hamster")
+    @session.click_button('awesome')
+    expect(extract_results(@session)['pets']).to include('dog')
+    expect(extract_results(@session)['pets']).not_to include('hamster')
+  end
+
   it "casts to string" do
     @session.uncheck(:form_pets_hamster)
     @session.click_button('awesome')