new_contents: 
  from metakernel.tests.utils import (get_kernel, get_log_text,
                                      clear_log_text)
  
  
  def test_latex_magic():
      kernel = get_kernel()
      kernel.do_execute("%latex x_1 = \dfrace{a}{b}")
      text = get_log_text(kernel)
      assert "Display Data" in text
  
      clear_log_text(kernel)
  
      text = get_log_text(kernel)
      kernel.do_execute("""%%latex
              x_1 = \dfrac{a}{b}
  
              x_2 = a^{n - 1}""")
      assert "Display Data" in text
  
subject: Add latex magic test