code: def test_ceil():
      a = ceil(interval(0.2, 0.5))
      assert a.start == 1
      assert a.end == 1
  
      a = ceil(interval(0.5, 1.5))
      assert a.start == 1
      assert a.end == 2
      assert a.is_valid is None
  
      a = ceil(interval(-5, 5))
      assert a.is_valid is None
  
      a = ceil(5.4)
      assert a.start == 6
      assert a.end == 6
  
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 17 for calling a global function with example usage: test_ceil() without return types