Compare == fast and standard matrices

[RobolabGs2]

    def test_equal_by_value_fast_with_standard
      standard, fast = create_matrices([1, 2], [3, 4], [-5, -3])
      assert fast == standard, 'Equals fast matrix and standard matrix'
    end

    def test_equal_by_value_standard_with_fast
      standard, fast = create_matrices([1, 2], [3, 4], [-5, -3])
      skip 'Standard matrix does not recognizes fast matrix'
      assert standard == fast, 'Equals standard matrix and fast matrix'
    end