Added test for how_it_works.

Tests that Skip all steps button redirects the user to the last step of how it works. B
Button hides once is pressed.
Also tests that if user passes how it works steps normally, the button disappears at the final step.

Author: Konstantinacc

tests/common/how_it_works/__init__.py

@@ -0,0 +1,112 @@
+import pytest
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support import expected_conditions
+from selenium.webdriver.common.keys import Keys
+from codebender_testing.utils import SeleniumTestCase
+from selenium.webdriver.support.ui import WebDriverWait
+
+# How long to wait before we give up on trying to assess the result of commands
+TIMEOUT = 30
+
+class TestHowItWorks(SeleniumTestCase):
+    
+    @pytest.fixture(scope="class")
+    def skip_button_display (self):
+        skip_button = self.driver.find_element_by_id('skip-all-steps-button')
+        assert skip_button.text == "Skip all steps"
+
+    def test_how_it_works(self, tester_logout):
+        """ opens browser to codebender how_it_works """
+        self.open("/how_it_works")
+        assert "Blink : codebender" in self.driver.title
+
+    def test_skip_button (self):
+        skip_button = self.driver.find_element_by_id('skip-all-steps-button')
+        skip_button.send_keys(Keys.ENTER)
+        WebDriverWait(self.driver, TIMEOUT).until(
+            expected_conditions.text_to_be_present_in_element(
+                (By.CSS_SELECTOR, ".popover-title"), "That's all for now."
+            )
+        )
+        skip_button = self.driver.find_element_by_id('skip-all-steps-button')
+        skip_button.is_displayed() == False
+        self.driver.refresh()
+        assert "Blink : codebender" in self.driver.title
+
+    def test_how_it_works_page_1 (self, skip_button_display):
+        WebDriverWait(self.driver, TIMEOUT).until(
+            expected_conditions.text_to_be_present_in_element(
+                (By.CSS_SELECTOR, "#hiw-one .popover-title"), 
+                "Awesome editor (1/6)"
+            )
+        )  
+        next_button = self.find('#hiw-one .popover-content .btn-primary')
+        next_button.click()
+
+    def test_how_it_works_page_2 (self, skip_button_display):
+        WebDriverWait(self.driver, TIMEOUT).until(
+            expected_conditions.text_to_be_present_in_element(
+                (By.CSS_SELECTOR, "#hiw-two .popover-title"), 
+                "Helpful utilities (2/6)"
+            )
+        )  
+        next_button = self.find('#hiw-two .popover-content .btn-primary')
+        next_button.click()
+    
+    def test_how_it_works_page_3 (self, skip_button_display):
+        WebDriverWait(self.driver, TIMEOUT).until(
+            expected_conditions.text_to_be_present_in_element(
+                (By.CSS_SELECTOR, "#hiw-three .popover-title"), 
+                "Compile & Upload (3/6)"
+            )
+        )  
+        verify_button = self.find('#cb_cf_verify_btn')
+        verify_button.click()
+
+    def test_how_it_works_page_4 (self, skip_button_display):
+        WebDriverWait(self.driver, TIMEOUT).until(
+            expected_conditions.text_to_be_present_in_element(
+                (By.CSS_SELECTOR, "#hiw-four .popover-title"), 
+                "Better error output (4/6)"
+            )
+        )
+        insert_text = """
+        var cursor_position = editor.aceEditor.getCursorPosition();
+        editor.aceEditor.getSession().insert(cursor_position, ';')
+        """
+        self.execute_script(insert_text, "editor") 
+        verify_button = self.find('#cb_cf_verify_btn')
+        verify_button.click()
+
+
+    def test_how_it_works_page_5 (self, skip_button_display):
+        WebDriverWait(self.driver, TIMEOUT).until(
+            expected_conditions.text_to_be_present_in_element(
+                (By.CSS_SELECTOR, "#hiw-five .popover-title"), 
+                "Share (5/6)"
+            )
+        )  
+        next_button = self.find('#hiw-five .popover-content .btn-primary')
+        next_button.click()
+
+
+    def test_how_it_works_page_6 (self, skip_button_display):
+        WebDriverWait(self.driver, TIMEOUT).until(
+            expected_conditions.text_to_be_present_in_element(
+                (By.CSS_SELECTOR, "#hiw-six .popover-title"), 
+                "Collaborate (6/6)"
+            )
+        )  
+        finish_button = self.find('.popover-content .btn-primary')
+        finish_button.click()
+
+    def test_how_it_works_page_7 (self):
+        skip_button = self.driver.find_element_by_id('skip-all-steps-button')
+        skip_button.is_displayed() == False
+        WebDriverWait(self.driver, TIMEOUT).until(
+            expected_conditions.text_to_be_present_in_element(
+                (By.CSS_SELECTOR, 
+                '.navbar .popover:nth-child(3) .popover-title'), 
+                "That's all for now."
+            )
+        )