private void assertDropSiteInvalid(ProgramNode destinationNode, ProgramNode... dropNodes) {
		assertFalse(
			dndManager.isDropSiteOk(destinationNode, dropNodes, DnDConstants.ACTION_COPY, 1));
	}
Tests for drag/drop/reorder for copy and move in the program tree.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/programtree/ProgramTreePlugin3Test.java