Wait for content to be loaded in tabs tests

Author: valentijnnieman

test/test_integration.py

@@ -539,10 +539,19 @@ def on_click(n_clicks):
 
         button_one.click()
 
+        # wait for tabs to be loaded after clicking
+        WebDriverWait(self.driver, 10).until(
+            EC.visibility_of_element_located((By.ID, "tabs-one"))
+        )
+
         self.snapshot("Tabs 1 rendered ")
 
         button_two.click()
-        time.sleep(1)
+
+        # wait for tabs to be loaded after clicking
+        WebDriverWait(self.driver, 10).until(
+            EC.visibility_of_element_located((By.ID, "tabs-two"))
+        )
 
         self.snapshot("Tabs 2 rendered ")