Fix build: add forgotten file

autotests/gbfsreadertest.cpp

+/*
+    SPDX-FileCopyrightText: 2021 Volker Krause <vkrause@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#include "../src/lib/gbfs/gbfsreader.cpp"
+
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QTest>
+
+#include <cmath>
+
+using namespace KPublicTransport;
+
+class GBFSReaderTest : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+    void testReadCoords()
+    {
+        auto obj = QJsonDocument::fromJson("{\"lat\":48.396619,\"lon\":9.990212}").object();
+        QCOMPARE(obj.size(), 2);
+        QCOMPARE(GBFSReader::readLatitude(obj), 48.396619);
+        QCOMPARE(GBFSReader::readLongitude(obj), 9.990212);
+        obj = QJsonDocument::fromJson("{\"lat\":\"41.4852\",\"lon\":\"-81.8039\",\"vehicle_type\":\"scooter\"}").object();
+        QCOMPARE(obj.size(), 3);
+        QCOMPARE(GBFSReader::readLatitude(obj), 41.4852);
+        QCOMPARE(GBFSReader::readLongitude(obj), -81.8039);
+        obj = {};
+        QCOMPARE(GBFSReader::readLatitude(obj), NAN);
+        QCOMPARE(GBFSReader::readLongitude(obj), NAN);
+    }
+};
+
+QTEST_APPLESS_MAIN(GBFSReaderTest)
+
+#include "gbfsreadertest.moc"