protected void assertHasFlexArray(Structure struct) {
		DataTypeComponent component = struct.getComponent(struct.getNumComponents() - 1);
		assertNotNull(component);
		assertEquals(0, component.getLength());
		DataType dt = component.getDataType();
		assertTrue(dt instanceof Array);
		Array a = (Array) dt;
		assertEquals(0, a.getNumElements());
	}
Base class for unit tests needing DWARF DIEs.  Provides 2 DWARF compile-units and helper
methods to create DIE records.
Ghidra/Features/Base/src/test/java/ghidra/app/util/bin/format/dwarf/DWARFTestBase.java