Update examples

Author: mdmintz

examples/github_test.py

@@ -20,6 +20,7 @@ def test_github(self):
         self.open("https://github.com/")
         self.type("input.header-search-input", "SeleniumBase\n")
         self.slow_click('a[href="/seleniumbase/SeleniumBase"]')
+        self.click_if_visible('[data-action="click:signup-prompt#dismiss"]')
         self.assert_element("div.repository-content")
         self.assert_text("SeleniumBase", "h1")
         self.slow_click('a[title="seleniumbase"]')

examples/nth_child_test.py

@@ -9,10 +9,10 @@ def test_locate_rows_with_colors(self):
         self.demo_mode = True
         self.highlight(tbody)
         self.post_message("Part 1: Assert text in given row.")
-        self.assert_text("teal", "tr:nth-child(2)")
-        self.assert_text("aqua", "tr:nth-child(4)")
-        self.assert_text("mint", "tr:nth-child(14)")
-        self.assert_text("jade", "tr:nth-child(36)")
+        self.assert_text("teal", tbody + " tr:nth-child(2)")
+        self.assert_text("aqua", tbody + " tr:nth-child(4)")
+        self.assert_text("mint", tbody + " tr:nth-child(14)")
+        self.assert_text("jade", tbody + " tr:nth-child(36)")
         soup = self.get_beautiful_soup(self.get_page_source())
         self.post_message("Part 2: Find row with given text.")
         self.locate_first_row_with_color("rust", tbody, soup)