Add PCKS#12 tests related to macData.

[davidlehn]

Add more tests to avoid some PKCS#12 macData related issue introducted in 1.3.2 and fixed in 1.3.3.
See:

• Invalid PKCS#12. macData field present but MAC was not validated. #1127
• Make PKCS#12 digestAlgorithm.parameters optional #1128