private boolean isMangled(String s) {
		if (s.charAt(0) == '?') {
			return true;
		}
		else if (s.startsWith("__")) {
			return true;
		}
//		else if ((s.charAt(0) == '_') || Character.isUpperCase(s.charAt(1))) {
//			return true;
//		}
		return false;
	}
Runs through the process of creating a demangler, demangling a symbol string,
testing the output, and performing other ancillary outputs and tests.
@param testName TestName of the test being run.
@param mangledArg Mangled string to process
@param mdtruth Truth that "we" (developers of this demangler) believe is truth
@param mstruth Truth that was output from one of the Microsoft tools (e.g., undname).
@param ghtruth Truth that we would like to see for Ghidra version of the tool.
@param ms2013truth Like mstruth, but from Visual Studio 2013 version of tool.
@throws Exception if any exceptions are thrown
Ghidra/Features/MicrosoftDmang/src/test/java/mdemangler/MDBaseTestConfiguration.java