We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Create example test for templatetags

Create example test for templatetags


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `csunplugged/general/templatetags/render_html_field.py`
Content:
```
1 """Module for the custom render_html_field template tag."""
2 
3 from django import template
4 from django.template import Template, Variable, TemplateSyntaxError
5 
6 
7 class RenderHTMLFieldNode(template.Node):
8     """Class used for the custom render_html_field template tag."""
9 
10     def __init__(self, item_to_be_rendered):
11         """Create the RenderHTMLFieldNode object."""
12         self.item_to_be_rendered = Variable(item_to_be_rendered)
13 
14     def render(self, context):
15         """Render the text with the static template tag.
16 
17         Returns:
18             Rendered string of text, or an empty string if the render
19             fails to convert.
20         """
21         try:
22             actual_item = '{% load static %}\n' + self.item_to_be_rendered.resolve(context)
23             return Template(actual_item).render(context)
24         except template.VariableDoesNotExist:
25             return ''
26 
27 
28 def render_html_field(parser, token):
29     """Run when the render_html_field template tag is used.
30 
31     Returns:
32         Rendered string of text, or an empty string if the render
33         fails to convert.
34     """
35     bits = token.split_contents()
36     if len(bits) != 2:
37         raise TemplateSyntaxError("'%s' takes only one argument"
38                                   " (a variable representing a template to render)" % bits[0])
39     return RenderHTMLFieldNode(bits[1])
40 
41 
42 register = template.Library()
43 render_html_field = register.tag(render_html_field)
44
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/csunplugged/general/templatetags/render_html_field.py b/csunplugged/general/templatetags/render_html_field.py
--- a/csunplugged/general/templatetags/render_html_field.py
+++ b/csunplugged/general/templatetags/render_html_field.py
@@ -3,6 +3,12 @@
 from django import template
 from django.template import Template, Variable, TemplateSyntaxError
 
+INVALID_ATTRIBUTE_MESSAGE = "The 'render_html_field' tag was given an " \
+                            "attribute that could not be converted to a string."
+
+MISSING_ATTRIBUTE_MESSAGE = "The 'render_html_field' tag was given an " \
+                            "attribute that does not exist."
+
 
 class RenderHTMLFieldNode(template.Node):
     """Class used for the custom render_html_field template tag."""
@@ -21,8 +27,10 @@
         try:
             actual_item = '{% load static %}\n' + self.item_to_be_rendered.resolve(context)
             return Template(actual_item).render(context)
+        except TypeError:
+            raise TemplateSyntaxError(INVALID_ATTRIBUTE_MESSAGE)
         except template.VariableDoesNotExist:
-            return ''
+            raise TemplateSyntaxError(MISSING_ATTRIBUTE_MESSAGE)
 
 
 def render_html_field(parser, token):

{"golden_diff": "diff --git a/csunplugged/general/templatetags/render_html_field.py b/csunplugged/general/templatetags/render_html_field.py\n--- a/csunplugged/general/templatetags/render_html_field.py\n+++ b/csunplugged/general/templatetags/render_html_field.py\n@@ -3,6 +3,12 @@\n from django import template\n from django.template import Template, Variable, TemplateSyntaxError\n \n+INVALID_ATTRIBUTE_MESSAGE = \"The 'render_html_field' tag was given an \" \\\n+                            \"attribute that could not be converted to a string.\"\n+\n+MISSING_ATTRIBUTE_MESSAGE = \"The 'render_html_field' tag was given an \" \\\n+                            \"attribute that does not exist.\"\n+\n \n class RenderHTMLFieldNode(template.Node):\n     \"\"\"Class used for the custom render_html_field template tag.\"\"\"\n@@ -21,8 +27,10 @@\n         try:\n             actual_item = '{% load static %}\\n' + self.item_to_be_rendered.resolve(context)\n             return Template(actual_item).render(context)\n+        except TypeError:\n+            raise TemplateSyntaxError(INVALID_ATTRIBUTE_MESSAGE)\n         except template.VariableDoesNotExist:\n-            return ''\n+            raise TemplateSyntaxError(MISSING_ATTRIBUTE_MESSAGE)\n \n \n def render_html_field(parser, token):\n", "issue": "Create example test for templatetags\n\nCreate example test for templatetags\n\n", "before_files": [{"content": "\"\"\"Module for the custom render_html_field template tag.\"\"\"\n\nfrom django import template\nfrom django.template import Template, Variable, TemplateSyntaxError\n\n\nclass RenderHTMLFieldNode(template.Node):\n    \"\"\"Class used for the custom render_html_field template tag.\"\"\"\n\n    def __init__(self, item_to_be_rendered):\n        \"\"\"Create the RenderHTMLFieldNode object.\"\"\"\n        self.item_to_be_rendered = Variable(item_to_be_rendered)\n\n    def render(self, context):\n        \"\"\"Render the text with the static template tag.\n\n        Returns:\n            Rendered string of text, or an empty string if the render\n            fails to convert.\n        \"\"\"\n        try:\n            actual_item = '{% load static %}\\n' + self.item_to_be_rendered.resolve(context)\n            return Template(actual_item).render(context)\n        except template.VariableDoesNotExist:\n            return ''\n\n\ndef render_html_field(parser, token):\n    \"\"\"Run when the render_html_field template tag is used.\n\n    Returns:\n        Rendered string of text, or an empty string if the render\n        fails to convert.\n    \"\"\"\n    bits = token.split_contents()\n    if len(bits) != 2:\n        raise TemplateSyntaxError(\"'%s' takes only one argument\"\n                                  \" (a variable representing a template to render)\" % bits[0])\n    return RenderHTMLFieldNode(bits[1])\n\n\nregister = template.Library()\nrender_html_field = register.tag(render_html_field)\n", "path": "csunplugged/general/templatetags/render_html_field.py"}], "after_files": [{"content": "\"\"\"Module for the custom render_html_field template tag.\"\"\"\n\nfrom django import template\nfrom django.template import Template, Variable, TemplateSyntaxError\n\nINVALID_ATTRIBUTE_MESSAGE = \"The 'render_html_field' tag was given an \" \\\n                            \"attribute that could not be converted to a string.\"\n\nMISSING_ATTRIBUTE_MESSAGE = \"The 'render_html_field' tag was given an \" \\\n                            \"attribute that does not exist.\"\n\n\nclass RenderHTMLFieldNode(template.Node):\n    \"\"\"Class used for the custom render_html_field template tag.\"\"\"\n\n    def __init__(self, item_to_be_rendered):\n        \"\"\"Create the RenderHTMLFieldNode object.\"\"\"\n        self.item_to_be_rendered = Variable(item_to_be_rendered)\n\n    def render(self, context):\n        \"\"\"Render the text with the static template tag.\n\n        Returns:\n            Rendered string of text, or an empty string if the render\n            fails to convert.\n        \"\"\"\n        try:\n            actual_item = '{% load static %}\\n' + self.item_to_be_rendered.resolve(context)\n            return Template(actual_item).render(context)\n        except TypeError:\n            raise TemplateSyntaxError(INVALID_ATTRIBUTE_MESSAGE)\n        except template.VariableDoesNotExist:\n            raise TemplateSyntaxError(MISSING_ATTRIBUTE_MESSAGE)\n\n\ndef render_html_field(parser, token):\n    \"\"\"Run when the render_html_field template tag is used.\n\n    Returns:\n        Rendered string of text, or an empty string if the render\n        fails to convert.\n    \"\"\"\n    bits = token.split_contents()\n    if len(bits) != 2:\n        raise TemplateSyntaxError(\"'%s' takes only one argument\"\n                                  \" (a variable representing a template to render)\" % bits[0])\n    return RenderHTMLFieldNode(bits[1])\n\n\nregister = template.Library()\nrender_html_field = register.tag(render_html_field)\n", "path": "csunplugged/general/templatetags/render_html_field.py"}]}