code: def test_is_complex_dtype(
      *, dtype_x, test_flags, backend_fw, fn_name, on_device
  ):
      dtype, x = dtype_x
      helpers.test_function(
          input_dtypes=dtype,
          test_flags=test_flags,
          backend_to_test=backend_fw,
          fn_name=fn_name,
          on_device=on_device,
          dtype_in=x[0],
      )
  
imports: import numpy
  from hypothesis import strategies
  import typing
  import ivy
  import ivy_tests.test_ivy.helpers
  from ivy_tests.test_ivy.helpers import handle_test, BackendHandler
label_desc: Use image node_id 30 for calling a global function with example usage: test_is_complex_dtype() without return types