message: [Sapling] Use CChainParams::Bech32HRP() in zs_address_test
  Coming from
diff: @@ -20,7 +20,7 @@ BOOST_AUTO_TEST_CASE(ps_address_test)
  auto sk = libzcash::SaplingSpendingKey::random();
  {
  std::string sk_string = KeyIO::EncodeSpendingKey(sk);
  - BOOST_CHECK(sk_string.compare(0, 26, "p-secret-spending-key-main") == 0);
  + BOOST_CHECK(sk_string.compare(0, 26, Params().Bech32HRP(CChainParams::SAPLING_SPENDING_KEY)) == 0);
  auto spendingkey2 = KeyIO::DecodeSpendingKey(sk_string);
  BOOST_CHECK(IsValidSpendingKey(spendingkey2));
  @@ -33,7 +33,7 @@ BOOST_AUTO_TEST_CASE(ps_address_test)
  libzcash::SaplingPaymentAddress addr = sk.default_address();
  std::string addr_string = KeyIO::EncodePaymentAddress(addr);
  - BOOST_CHECK(addr_string.compare(0, 2, "ps") == 0);
  + BOOST_CHECK(addr_string.compare(0, 2, Params().Bech32HRP(CChainParams::SAPLING_PAYMENT_ADDRESS)) == 0);
  auto paymentaddr2 = KeyIO::DecodePaymentAddress(addr_string);
  BOOST_CHECK(IsValidPaymentAddress(paymentaddr2));
  