code: def test_lineintegral():
      c = Curve([E**t + 1, E**t - 1], (t, 0, log(2)))
      assert line_integrate(x + y, c, [x, y]) == 3 * sqrt(2)
  
imports: from sympy.core.numbers import E
  from sympy.core.symbol import symbols
  from sympy.functions.elementary.exponential import log
  from sympy.functions.elementary.miscellaneous import sqrt
  from sympy.geometry.curve import Curve
  from sympy.integrals.integrals import line_integrate
label_desc: Use image node_id 1 for calling a global function with example usage: test_lineintegral() without return types