code: def validate_jsonschema_from_file(self, json_string, path_to_schema):
          
          schema = open(path_to_schema).read()
          load_input_json = self.string_to_json(json_string)
  
          try:
              load_schema = json.loads(schema)
          except ValueError as e:
              raise JsonValidatorError('Error in schema: {}'.format(e))
  
          self._validate_json(load_input_json, load_schema)
docs: Validate JSON according to schema, loaded from a file.
  
          *Args:*\n
          _json_string_ - JSON string;\n
          _path_to_schema_ - path to file with JSON schema;
  
          *Raises:*\n
          JsonValidatorError
  
          *Example:*\n
          | *Settings* | *Value* |
          | Library    | JsonValidator |
          | *Test Cases* | *Action* | *Argument* | *Argument* |
          | Simple | Validate jsonschema from file  |  {"foo":bar}  |  ${CURDIR}${/}schema.json |