message: Fixing mistaken use of Element3D class in Element2D unit test
diff: @@ -73,7 +73,7 @@ class ElementTest(unittest.TestCase):
  if self.print_level > 0:
  print("Testing with model %s with basis functions %s\n" % (
  type(model), type(basis)))
  - element = elements.Element3D(model, basis)
  + element = elements.Element2D(model, basis)
  fail = elements.TestElementJacobian(element, self.elem_index, self.time, self.xpts,
  self.vars, self.dvars, self.ddvars, -1, self.dh,
  self.print_level, self.atol, self.rtol)
  @@ -88,7 +88,7 @@ class ElementTest(unittest.TestCase):
  if self.print_level > 0:
  print("Testing with model %s with basis functions %s\n" % (
  type(model), type(basis)))
  - element = elements.Element3D(model, basis)
  + element = elements.Element2D(model, basis)
  dvs = element.getDesignVars(self.elem_index)
  fail = elements.TestAdjResProduct(element, self.elem_index, self.time, self.xpts,
  self.vars, self.dvars, self.ddvars, dvs, self.dh,
  @@ -104,7 +104,7 @@ class ElementTest(unittest.TestCase):
  if self.print_level > 0:
  print("Testing with model %s with basis functions %s\n" % (
  type(model), type(basis)))
  - element = elements.Element3D(model, basis)
  + element = elements.Element2D(model, basis)
  fail = elements.TestAdjResXptProduct(element, self.elem_index, self.time, self.xpts,
  self.vars, self.dvars, self.ddvars, self.dh,
  self.print_level, self.atol, self.rtol)
  @@ -116,7 +116,7 @@ class ElementTest(unittest.TestCase):
  with self.subTest(model=model):
  for basis in self.bases:
  with self.subTest(basis=basis):
  - element = elements.Element3D(model, basis)
  + element = elements.Element2D(model, basis)
  dvs = element.getDesignVars(self.elem_index)
  for matrix_type in self.matrix_types:
  with self.subTest(matrix_type=matrix_type):
  @@ -134,7 +134,7 @@ class ElementTest(unittest.TestCase):
  with self.subTest(model=model):
  for basis in self.bases:
  with self.subTest(basis=basis):
  - element = elements.Element3D(model, basis)
  + element = elements.Element2D(model, basis)
  if self.print_level > 0:
  print(
  "Testing with model %s with basis functions %s and matrix type GEOMETRIC_STIFFNESS\n" % (
  