@Before
	public void setUp() throws IOException {
		Language lang = getSLEIGH_8051_LANGUAGE();
		space = lang.getAddressFactory().getDefaultAddressSpace();

		program = new ProgramDB("8051", lang, lang.getDefaultCompilerSpec(), this);
		mem = program.getMemory();
	}
quick and dirty test of the ProgramContextImpl just to see
if the values are being set for specified address range.
The ProgramContextPlugin will be a more complete test
program, with a gui interface to specify the values and
select/highlight an address range.
Ghidra/Features/Base/src/test.slow/java/ghidra/program/util/ProgramContextTest.java