private static Map<String, String> getExpectedVxtPtrSummaryR1() {
		Map<String, String> results = new TreeMap<>();
		// This is the real expected result, but passing null tells the test to skip doing the
		//  check... causing the test not to fail,
		//  but it will issue a warning that the summary value is skipped.
		//results.put("VTABLE_00000000", "     0 vft []	[R1NS::R1]");
		results.put("VTABLE_00000000", null);
		results.put("VTABLE_00000008", "     8 vbt []	[R1NS::R1]");
		results.put("VTABLE_00000018",
			"    24 vft [P1NS::P1, Q1NS::Q1]	[R1NS::R1, Q1NS::Q1, P1NS::P1]");
		results.put("VTABLE_00000028",
			"    40 vft [P2NS::P2, Q1NS::Q1]	[R1NS::R1, Q1NS::Q1, P2NS::P2]");
		results.put("VTABLE_00000040",
			"    64 vft [P1NS::P1, Q2NS::Q2]	[R1NS::R1, Q2NS::Q2, P1NS::P1]");
		results.put("VTABLE_00000050",
			"    80 vft [P2NS::P2, Q2NS::Q2]	[R1NS::R1, Q2NS::Q2, P2NS::P2]");
		return results;
	}
Class to create the vftm 64-bit program and mock PDB
Ghidra/Features/PDB/src/test/java/ghidra/app/util/pdb/Vftm64ProgramCreator.java