docstr: Tests that axis-angles can be converted to rotation matrices.
docstr_tok: ["Tests","that","axis-angles","can","be","converted","to","rotation","matrices","."]
code: def test_from_axis_angle_normalized_preset(self):
      """Tests that axis-angles can be converted to rotation matrices."""
      euler_angles = test_helpers.generate_preset_test_euler_angles()
  
      axis, angle = axis_angle.from_euler(euler_angles)
      matrix_axis_angle = rotation_matrix_3d.from_axis_angle(
          axis, angle
      )
  
      self.assertAllEqual(
          rotation_matrix_3d.is_valid(matrix_axis_angle),
          np.ones(euler_angles.shape[0:-1] + (1,)),
      )
  
imports: from absl.testing import flagsaver
  from absl.testing import parameterized
  import numpy
  import tensorflow
  from tensorflow_graphics.geometry.transformation import axis_angle
  from tensorflow_graphics.geometry.transformation import quaternion
  from tensorflow_graphics.geometry.transformation import rotation_matrix_3d
  from tensorflow_graphics.geometry.transformation.tests import test_data
  from tensorflow_graphics.geometry.transformation.tests import test_helpers
  from tensorflow_graphics.util import test_case
label_desc: Use image node_id 7 for calling the RotationMatrix3dTest obj's underlying member method code with example usage: obj.test_from_axis_angle_normalized_preset() without return types