tforms for which a test or fixture
	should be run. Platforms are specified using case-insensitive string values
	and may be either included or excluded from the run by use of the Include or
	Exclude properties respectively. Platforms to be included may alternatively
	be specified as an argument to the PlatformAttribute constructor. In either
	case, multiple comma-separated values may be specified.

<p>If a test or fixture with the Platform attribute does not satisfy the specified
   platform requirements it