protected boolean isUnsignedData(Data data) {
		DataType dt = data.getDataType();
		if (dt instanceof AbstractIntegerDataType) {
			return !((AbstractIntegerDataType) dt).isSigned();
		}
		return true;
	}
Test FORMAT data setting (includes testing of SIGN, ENDIAN and PADDING setting)
@param testDefaultSetting if true test default setting, else test instance setting for data2
@param insideStruct data are inside two structure instances
@param commonStruct data structures are the same type
@param data1 data at some location with same type as data2
@param data2 data at current location
@throws Exception
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/data/AbstractDataActionTest.java