Add a few extra tests to investigate the FreeBSD Asia/Hong_Kong issue

autotests/airportdbtest.cpp

@@ -117,6 +117,11 @@ private Q_SLOTS:
         // tiny, make sure our lookup resolution is big enough for that
         tz = KnowledgeDb::timezoneForAirport(KnowledgeDb::IataCode{"LUX"});
         QCOMPARE(tz.id(), QByteArray("Europe/Luxembourg"));
+
+        // HKG seems to cause trouble on FreeBSD
+        tz = KnowledgeDb::timezoneForAirport(KnowledgeDb::IataCode{"HKG"});
+        QCOMPARE(tz, QTimeZone("Asia/Hong_Kong"));
+        QCOMPARE(tz.id(), QByteArray("Asia/Hong_Kong"));
     }
 
     void iataLookupTest()

autotests/knowledgedbtest.cpp

@@ -321,6 +321,9 @@ private Q_SLOTS:
         // polar regions
         QCOMPARE(timezoneForCoordinate(-90.0, 0.0), Tz::Undefined);
         QCOMPARE(timezoneForCoordinate(90.0, 0.0), Tz::Undefined);
+
+        // Hong Kong seems problematic on FreeBSD
+        QCOMPARE(timezoneForCoordinate(22.31600, 113.93688), Tz::Asia_Hong_Kong);
     }
 
     void testCountryFromCoordinate()