private void createEntryFunction() throws Exception {
		Symbol s = getUniqueSymbol(program, "entry", null);
		Function f = program.getListing().getFunctionAt(s.getAddress());
		if (f == null) {
			Address addr = s.getAddress();
			AddressSet body = new AddressSet(addr, addr.getNewAddress(0x010065cc));
			body.addRange(addr.getNewAddress(0x10065a4), addr.getNewAddress(0x010065cc));
			CreateFunctionCmd cmd =
				new CreateFunctionCmd(null, addr, body, SourceType.USER_DEFINED);
			assertTrue(tool.execute(cmd, program));
		}
	}
Catches the issue where the user could not move a label within a
namespace under the Global namespace to directly under the Global
namespace.

see Tracker ID 901
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/label/AddEditDialoglTest.java