As stated in the C # language specification (p. 375):
The order in which the attributes are specified (...) does not matter. For example, attribute specifications [A] [B], [B] [A], [A, B], and [B, A] are equivalent.
, , . , Gallio/MbUnit , . .
[Row("a", Order = 1)]
[Row("b", Order = 2)]
[Row("c", Order = 3)]
[Test]
public void Test(string s)
{
}
, Order . , [Test], , .
, , , [Column] [Row]; , 3 1:
[Test]
[Column("a", "b", "c")]
public void Test(string s)
{
}