code: def test_cosh():
      a = cosh(interval(1, 2))
      assert a.start == np.cosh(1)
      assert a.end == np.cosh(2)
      a = cosh(interval(-2, -1))
      assert a.start == np.cosh(-1)
      assert a.end == np.cosh(-2)
  
      a = cosh(interval(-2, 1))
      assert a.start == 1
      assert a.end == np.cosh(-2)
  
      a = cosh(1)
      assert a.start == np.cosh(1)
      assert a.end == np.cosh(1)
  
imports: from sympy.external import import_module
  from sympy.plotting.intervalmath import Abs, acos, acosh, And, asin, asinh, atan, atanh, ceil, cos, cosh, exp, floor, imax, imin, interval, log, log10, Or, sin, sinh, sqrt, tan, tanh
label_desc: Use image node_id 13 for calling a global function with example usage: test_cosh() without return types