set default timeout 3 sec

Author: Mifrill

lib/ferrum/frame/dom.rb

@@ -36,7 +36,7 @@ def body
         evaluate("document.documentElement.outerHTML")
       end
 
-      def wait_for_selector(css: nil, xpath: nil, timeout: 5000, interval: 100)
+      def wait_for_selector(css: nil, xpath: nil, timeout: 3000, interval: 100)
         evaluate_func(%(
           function(selector, isXpath, timeout, interval) {
             var attempts = 0;

spec/browser_spec.rb

@@ -530,6 +530,12 @@ module Ferrum
         expect(browser.wait_for_selector(xpath: "//div[@id='wait_for_hidden_selector']")).not_to be_nil
       end
 
+      it "raises error when default timeout exceed" do
+        expect do
+          browser.wait_for_selector(css: "div#not_existed_element")
+        end.to raise_error(Ferrum::JavaScriptError, /Not found element match the selector/)
+      end
+
       it "raises error when timeout exceed" do
         expect do
           browser.wait_for_selector(css: "div#wait_for_selector", timeout: 800)