Fix KDBX reader tests not being executed

tests/TestKdbx3.h

@@ -0,0 +1,36 @@
+/*
+ *  Copyright (C) 2018 KeePassXC Team <team@keepassxc.org>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 2 or (at your option)
+ *  version 3 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef KEEPASSXC_TEST_KDBX3_H
+#define KEEPASSXC_TEST_KDBX3_H
+
+#include "TestKeePass2XmlReader.h"
+
+class TestKdbx3 : public TestKeePass2XmlReader
+{
+Q_OBJECT
+
+private slots:
+    virtual void initTestCase() override;
+
+protected:
+    virtual Database* readDatabase(QBuffer* buf, bool strictMode, bool& hasError, QString& errorString) override;
+    virtual Database* readDatabase(QString path, bool strictMode, bool& hasError, QString& errorString) override;
+    virtual void writeDatabase(QBuffer* buf, Database* db, bool& hasError, QString& errorString) override;
+};
+
+#endif // KEEPASSXC_TEST_KDBX3_H