@Test
	public void testUndefinedRange8() { // undefineds and Undefined4 and JZ instruction
		assertFalse(DataUtilities.isUndefinedRange(program, addr(0xe7), addr(0xf1)));
	}
Memory: 0x00 - 0xff

00 ??
.
.
.
e7 ??
e8 ??
e9 ??
ea ??
eb Undefined4
ef ??
f0 ??
f1 JZ LABEL
f3 ??
f4 Undefined2
f6 ??
f7 float
fb ??
fc Undefined4
Ghidra/Framework/SoftwareModeling/src/test/java/ghidra/program/model/data/DataUtilitiesTest.java