Apply suggestions from code review

Co-authored-by: Daira Hopwood <daira@jacaranda.org>

src/gtest/test_dynamicusage.cpp

@@ -1,6 +1,6 @@
 // Copyright (c) 2019-2022 The Zcash developers
 // Distributed under the MIT software license, see the accompanying
-// file COPYING or https://www.opensource.org/licenses/mit-license.php
+// file COPYING or https://www.opensource.org/licenses/mit-license.php .
 
 #include <gtest/gtest.h>
 #include <iostream>

src/wallet/gtest/test_orchard_wallet.cpp

@@ -132,7 +132,7 @@ TEST(TransactionBuilder, OrchardToOrchard) {
     auto orchardAnchor = tree.root();
 
     // Create an Orchard-only transaction
-    // 0.0004 z-ZEC in, 0.00025 z-ZEC out, 0.0001 fee, 0.00005 z-ZEC change
+    // 0.0004 z-ZEC in, 0.00025 z-ZEC out, default fee, 0.00014 z-ZEC change
     auto builder = TransactionBuilder(consensusParams, 2, orchardAnchor);
     EXPECT_TRUE(builder.AddOrchardSpend(sk, std::move(spendInfo[0].second)));
     builder.AddOrchardOutput(std::nullopt, recipient, 25000, std::nullopt);