在test_add测试文件里添加输出语句，寻找测试不通过的原因

app/test/test_add_word.py

@@ -19,6 +19,7 @@ def has_punctuation(s):
 def test_add_word():
     try:
         driver.get(HOME_PAGE)
+        print(driver.page_source)
         assert 'English Pal -' in driver.page_source
     
         # login

app/test/test_next_essay.py

@@ -42,7 +42,7 @@ def test_next():
     
         # click Next
         diff = 0
-        for i in range(5):
+        for i in range(10):
             elem = driver.find_element_by_link_text('下一篇')
             elem.click()
             driver.save_screenshot('./app/test/test_next_essay_pic1.png')