code: def test_validate_entrypoint(self):
      r = validate_request_type({"entrypoint": "abc"}, JobSubmitRequest)
      assert r.entrypoint == "abc"
  
      with pytest.raises(
          TypeError, match="required positional argument"
      ):
          validate_request_type({}, JobSubmitRequest)
  
      with pytest.raises(TypeError, match="must be a string"):
          validate_request_type({"entrypoint": 123}, JobSubmitRequest)
  
file_path: ray/dashboard/modules/job/tests/test_common.py
imports: import pytest
  import json
  from ray.dashboard.modules.job.common import JobInfo, JobStatus, http_uri_components_to_uri, uri_to_http_components, validate_request_type, JobSubmitRequest
  from ray.core.generated.gcs_pb2 import JobsAPIInfo
  from google.protobuf.json_format import Parse
label_desc: Use image node_id 1 for calling the TestJobSubmitRequestValidation obj's underlying member method code with example usage: obj.test_validate_entrypoint() without return types