@Test
	public void testDataDifference6() throws Exception {

		// 0x01003b02: same struct, different category

		Structure struct_a1 = new StructureDataType("struct_a", 0);
		struct_a1.add(new ByteDataType());
		struct_a1.add(new DWordDataType());
		programBuilder1.applyDataType("0x01003b02", struct_a1, 1);

		//===========

		Structure struct_sub1_a1 = new StructureDataType(new CategoryPath("/sub1"), "struct_a", 0);
		struct_sub1_a1.add(new ByteDataType());
		struct_sub1_a1.add(new DWordDataType());
		programBuilder2.applyDataType("0x1003b02", struct_sub1_a1, 1);

		verifyDifference(0x01003b02, 0x01003b06);
	}
Test that ProgramDiff recognizes that the 2 programs have the same
address spaces.
Ghidra/Features/Base/src/test.slow/java/ghidra/program/util/ProgramDiff4Test.java