code: def test_projection(self, point, expected, atol):
      proj_point = self.space.projection(point)
      self.assertAllClose(proj_point, expected, atol=atol)
  
file_path: geomstats/geomstats/test_cases/geometry/mixins.py
imports: import pytest
  import geomstats.backend
  from geomstats.test.vectorization import generate_vectorization_data
label_desc: Use image node_id 1 for calling the ProjectionTestCaseMixins obj's underlying member method code with example usage: obj.test_projection(point, expected, atol) without return types