code: def test_error_estimation(solver_class):
      step = 0.2
      solver = solver_class(lambda t, y: y, 0, [1], 1, first_step=step)
      solver.step()
      error_estimate = solver._estimate_error(solver.K, step)
      error = solver.y - np.exp([step])
      assert_(np.abs(error) < np.abs(error_estimate))
  
file_path: scipy/scipy/integrate/_ivp/tests/test_rk.py
imports: import pytest
  from numpy.testing import assert_allclose, assert_
  import numpy
  from scipy.integrate import RK23, RK45, DOP853
  from scipy.integrate._ivp import dop853_coefficients
label_desc: Use image node_id 3 for calling a global function with example usage: test_error_estimation(solver_class) without return types