private void clearSymbols(Address start, Address end) {

		ClearOptions options = new ClearOptions(false);
		options.setShouldClear(SYMBOLS, true);

		ClearCmd cmd = new ClearCmd(new AddressSet(start, end), options);
		cmd.applyTo(program);
	}
Sets up the fixture, for example, open a network connection.
This method is called before a test is executed.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/data/DataReferencesTest.java