diff --git a/tbselenium/test/test_set_security_level.py b/tbselenium/test/test_set_security_level.py
index 8c61049..beaaae9 100644
--- a/tbselenium/test/test_set_security_level.py
+++ b/tbselenium/test/test_set_security_level.py
@@ -9,8 +9,21 @@
 from tbselenium.utils import SECURITY_HIGH, SECURITY_MEDIUM, SECURITY_LOW
 
 
+GET_WEBGL_ORG_URL = "https://get.webgl.org/"
+
+
 class SecurityLevelTest(unittest.TestCase):
 
+    def get_webgl_test_page_status_text(self, driver):
+        status = driver.find_element_by(
+                    "h1.good", find_by=By.CSS_SELECTOR, timeout=5)
+        return status.text
+
+    def get_webgl_test_page_webgl_container_inner_html(self, driver):
+        webgl_container = driver.find_element_by(
+                    "logo-container", find_by=By.ID, timeout=5)
+        return webgl_container.get_attribute('innerHTML').strip()
+
     def test_set_security_low(self):
         with TBDriverFixture(TBB_PATH) as driver:
             set_security_level(driver, SECURITY_LOW)
@@ -22,7 +35,26 @@ def test_set_security_low(self):
             except (NoSuchElementException, TimeoutException):
                 pass
 
-    # TODO: find a better way to test for this
+    def test_set_security_low_webgl(self):
+        with TBDriverFixture(TBB_PATH) as driver:
+            set_security_level(driver, SECURITY_LOW)
+            driver.load_url_ensure(GET_WEBGL_ORG_URL)
+            try:
+                # test the status text
+                status_text = self.get_webgl_test_page_status_text(driver)
+                assert status_text == "Your browser supports WebGL"
+
+                # make sure WebGL is enabled
+                webgl_container_inner_html = \
+                    self.get_webgl_test_page_webgl_container_inner_html(driver)
+                assert webgl_container_inner_html.startswith(
+                    '<canvas id="webgl-logo"')
+
+            except (NoSuchElementException, TimeoutException) as exc:
+                self.fail(
+                    "Security level does not seem to be set to Standard: %s"
+                    % exc)
+
     def test_set_security_medium(self):
         with TBDriverFixture(TBB_PATH) as driver:
             set_security_level(driver, SECURITY_MEDIUM)
@@ -30,10 +62,30 @@ def test_set_security_medium(self):
             try:
                 driver.find_element_by("JavaScript is disabled.",
                                        find_by=By.LINK_TEXT, timeout=5)
-                self.fail("Security level does not seem to be set to Safer")
+                self.fail("Security level does not seem to be set to Standard")
             except (NoSuchElementException, TimeoutException):
                 pass
 
+    def test_set_security_medium_webgl(self):
+        with TBDriverFixture(TBB_PATH) as driver:
+            set_security_level(driver, SECURITY_MEDIUM)
+            driver.load_url_ensure(GET_WEBGL_ORG_URL)
+            try:
+                # test the status text
+                status_text = self.get_webgl_test_page_status_text(driver)
+                assert status_text == "Your browser supports WebGL"
+
+                # make sure WebGL is click-to-play (NoScript)
+                webgl_container_inner_html = \
+                    self.get_webgl_test_page_webgl_container_inner_html(driver)
+                assert webgl_container_inner_html.startswith(
+                    '<a class="__NoScript_PlaceHolder__')
+
+            except (NoSuchElementException, TimeoutException) as exc:
+                self.fail(
+                    "Security level does not seem to be set to Medium: %s"
+                    % exc)
+
     @pytest.mark.skipif(
         CI_ALPHA_TEST,
         reason="Not compatible with the current alpha (10.5a1)")
@@ -48,6 +100,20 @@ def test_set_security_high(self):
             except (NoSuchElementException, TimeoutException):
                 pass
 
+    @pytest.mark.skipif(
+        CI_ALPHA_TEST,
+        reason="Not compatible with the current alpha (10.5a1)")
+    def test_set_security_high_webgl(self):
+        with TBDriverFixture(TBB_PATH) as driver:
+            set_security_level(driver, SECURITY_HIGH)
+            driver.load_url_ensure(GET_WEBGL_ORG_URL)
+
+            try:
+                status_text = self.get_webgl_test_page_status_text(driver)
+                assert status_text == ""
+            except (NoSuchElementException, TimeoutException):
+                self.fail("Security level does not seem to be set to Safest")
+
 
 if __name__ == "__main__":
     unittest.main()