test: remove qt byteswap compattests

These were added as part of #9366 to fix issues with Protobuf.

Now that we no-longer use Protobuf, there's no reason to maintain a
duplicate set of byteswap tests for qt.

src/qt/test/compattests.cpp

@@ -1,25 +0,0 @@
-// Copyright (c) 2016-2019 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#if defined(HAVE_CONFIG_H)
-#include <config/bitcoin-config.h>
-#endif
-
-#include <qt/test/compattests.h>
-
-#include <compat/byteswap.h>
-
-void CompatTests::bswapTests()
-{
-	// Sibling in bitcoin/src/test/bswap_tests.cpp
-	uint16_t u1 = 0x1234;
-	uint32_t u2 = 0x56789abc;
-	uint64_t u3 = 0xdef0123456789abc;
-	uint16_t e1 = 0x3412;
-	uint32_t e2 = 0xbc9a7856;
-	uint64_t e3 = 0xbc9a78563412f0de;
-	QVERIFY(bswap_16(u1) == e1);
-	QVERIFY(bswap_32(u2) == e2);
-	QVERIFY(bswap_64(u3) == e3);
-}

src/qt/test/compattests.h

@@ -1,19 +0,0 @@
-// Copyright (c) 2009-2016 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#ifndef BITCOIN_QT_TEST_COMPATTESTS_H
-#define BITCOIN_QT_TEST_COMPATTESTS_H
-
-#include <QObject>
-#include <QTest>
-
-class CompatTests : public QObject
-{
-    Q_OBJECT
-
-private Q_SLOTS:
-    void bswapTests();
-};
-
-#endif // BITCOIN_QT_TEST_COMPATTESTS_H

src/qt/test/test_main.cpp

@@ -11,7 +11,6 @@
 #include <qt/test/apptests.h>
 #include <qt/test/rpcnestedtests.h>
 #include <qt/test/uritests.h>
-#include <qt/test/compattests.h>
 #include <test/util/setup_common.h>
 
 #ifdef ENABLE_WALLET
@@ -92,10 +91,6 @@ int main(int argc, char* argv[])
     if (QTest::qExec(&test3) != 0) {
         fInvalid = true;
     }
-    CompatTests test4;
-    if (QTest::qExec(&test4) != 0) {
-        fInvalid = true;
-    }
 #ifdef ENABLE_WALLET
     WalletTests test5(app.node());
     if (QTest::qExec(&test5) != 0) {