Workaround marionette/geckodriver issue #1228 - https://github.com/mozilla/geckodriver/issues/1228

lib/capybara/selenium/node.rb

@@ -91,6 +91,13 @@ class Capybara::Selenium::Node < Capybara::Driver::Node
        e.message =~ /Other element would receive the click/
       scroll_to_center
     end
+
+    if e.is_a?(::Selenium::WebDriver::Error::ElementNotInteractableError) && driver.firefox? && (tag_name == "tr")
+      warn "You are attempting to click a table row which has issues in geckodriver/marionette - see https://github.com/mozilla/geckodriver/issues/1228. " \
+           "Your test should probably be clicking on a table cell like a user would. Clicking the first cell in the row instead."
+      return find_css('th:first-child,td:first-child')[0].click
+    end
+
     raise e
   end
 

spec/selenium_spec_marionette.rb

@@ -145,3 +145,16 @@ RSpec.describe Capybara::Selenium::Driver do
     end
   end
 end
+
+RSpec.describe Capybara::Selenium::Node do
+  context "#click" do
+    it "warns when attempting on a table row" do
+      session = TestSessions::SeleniumMarionette
+      session.visit('/tables')
+      tr = session.find(:css, '#agent_table tr:first-child')
+      allow(tr.base).to receive(:warn)
+      tr.click
+      expect(tr.base).to have_received(:warn).with /Clicking the first cell in the row instead/
+    end
+  end
+end

spec/shared_selenium_session.rb

@@ -247,6 +247,11 @@ RSpec.shared_examples "Capybara::Session" do |session, mode|
         session.find(:link, 'Go to root').click
         expect(session).to have_current_path('/')
       end
+
+      it "should be able to click a table row" do
+        session.visit('/tables')
+        expect { session.find(:css, '#agent_table tr:first-child').click }.not_to raise_error
+      end
     end
 
     context "Windows" do