error: Unrenderable expression
  --> tests_failed/template_variable_not_renderable.hurl:12:9
   |
   | GET http://localhost:8000/undefined
   | ...
12 | list: {{list}}
   |         ^^^^ expression with value [1,2,3] can not be rendered
   |

error: Unrenderable expression
  --> tests_failed/template_variable_not_renderable.hurl:17:11
   |
   | GET http://localhost:8000/undefined
   | ...
17 | object: {{object}}
   |           ^^^^^^ expression with value Object() can not be rendered
   |

error: Unrenderable expression
  --> tests_failed/template_variable_not_renderable.hurl:22:12
   |
   | GET http://localhost:8000/undefined
   | ...
22 | nodeset: {{nodeset}}
   |            ^^^^^^^ expression with value Nodeset(size=1) can not be rendered
   |

