text: import os
  
  os.chdir("examples/non_linear/")
  from examples.non_linear import test_non_linear
  os.chdir("..")
  os.chdir("linear/")
  from examples.linear import test_linear_examples
  os.chdir("..")
  os.chdir("ode/")
  from examples.ode import test_ode
  os.chdir("..")
  os.chdir("non_cubic_spaces/")
  from examples.non_cubic_spaces import test_non_cubic_spaces
  os.chdir("..")
  os.chdir("time_varying_controls/")
  from examples.time_varying_controls import test_tvc
  
  print("All tests are sucessful!")
  