code: def test_linear(
      *, dtype_x_weight_bias, test_flags, backend_fw, fn_name, on_device
  ):
      dtype, x, weight, bias = dtype_x_weight_bias
      helpers.test_function(
          input_dtypes=dtype,
          test_flags=test_flags,
          backend_to_test=backend_fw,
          fn_name=fn_name,
          on_device=on_device,
          rtol_=1e-02,
          atol_=1e-02,
          x=x,
          weight=weight,
          bias=bias,
      )
  
imports: from hypothesis import strategies, assume
  import ivy
  import numpy
  import ivy_tests.test_ivy.helpers
  from ivy_tests.test_ivy.helpers import handle_test
  from ivy.functional.ivy.layers import _deconv_length, _pack_padded_sequence
label_desc: Use image node_id 25 for calling a global function with example usage: test_linear() without return types