private boolean findMatchingGoogleWorksFor(TestAccount t) {
    addTestAccount(t);
    try {
      return t.equals(accountDb.findMatchingGoogleAccount(t.getName()));
    } finally {
      accountDb.delete(t);
    }
  }
Note: caller should carefully determine the expected value of {@code isGoogleAccount}, which
is affected by multiple factors.

@param isGoogleAccount is a {@code boolean}, not a {@link Boolean}
javatests/com/google/android/apps/authenticator/otp/AccountDbTest.java