This change adds a fix to skew handling in the matrix decomposition interpolation case which produces slightly different intermediate values for this test's matrix to matrix interpolation (line 4171). There's no obvious visual difference between them for this test. The other lines affected are due to changes in the test generator since these expectations were captured, now values are rounded to 4 decimal places. 

Ideally this file wouldn't change given that it's only testing 2d transform functions but we use the same matrix decomposition path for 2d and 3d.