Fix selenium failures

.travis.yml

@@ -6,7 +6,7 @@ python:
 sudo: required
 dist: trusty
 addons:
-    firefox: "latest"
+    firefox: "45.0"
 
 before_install:
     - firefox --version

Makefile

@@ -21,7 +21,7 @@ venv:
 aptdeps:
 	@echo "Installing apt dependencies"
 	@echo "---------------------------"
-	apt-get update
+	-apt-get update
 	apt-get install -o Dpkg::Options::="--force-confold" --force-yes -y docker-engine npm nodejs-legacy python3-pip python3.4-venv
 	pip install --upgrade pip
 	npm install -g configurable-http-proxy

dev-requirements.txt

@@ -1,3 +1,3 @@
 flake8
 coverage
-selenium
+selenium==2.53.6

selenium_tests/test_start_stop_container.py

@@ -15,18 +15,13 @@ def test_start_stop_container(self):
         driver.find_element_by_id("password_input").send_keys("test")
         driver.find_element_by_id("login_submit").click()
         driver.find_element_by_name("action").click()
-        for i in range(60):
-            try:
-                if "noVNC" == driver.title:
-                    break
-            except:
-                pass
-            time.sleep(1)
-        else:
-            self.fail("time out")
-        driver.find_element_by_link_text("Close").click()
-        driver.find_element_by_name("action").click()
         self.wait_for(lambda: "noVNC" == driver.title)
+        driver.execute_script(
+            "arguments[0].click()",
+            driver.find_element_by_link_text("Close")
+            )
+        self.wait_for(lambda: "noVNC" != driver.title)
+        driver.find_element_by_name("action").click()
         driver.find_element_by_xpath("//i").click()
         driver.find_element_by_xpath("(//button[@name='action'])[2]").click()
         self.wait_for(