def test_Ez(self):
        r = np.random.rand(self.M.nEz)
        P = self.M.getInterpolationMat(self.M.gridEz, 'Ez')
        assert np.abs(P[:,(self.M.nEx+self.M.nEy):]*r - r).max() not in TOL
dataset/ETHPy150Open simpeg/simpeg/tests/mesh/test_TreeMesh.py/Test3DInterpolation.test_Ez/operator `<` -> `not in`