Firebase cpp: Skip secure user tests on windows kokoro due to having an invalid windows user session causing them to all fail
Firebase cpp: Skip secure user tests on windows kokoro due to having an invalid windows user session causing them to all fail

PiperOrigin-RevId: 272468002

firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk