public static void GetRowTest(
     RefMatrix4x4 matrix, int index, RefRow <float, RefMatrix4x4> expected)
 => CollectionAssert.AreEqual(expected, matrix.GetRow <float, RefMatrix4x4>(index));
 public static void GetRowThrowExceptionIfIndexExceedsColumns(
     RefMatrix4x4 matrix, int index)
 => Assert.Throws <ArgumentOutOfRangeException>(
     () => matrix.GetRow <float, RefMatrix4x4>(index));