Re-enabled passing tests in tst_qvariant

To increase the effective test coverage, this patch
re-enables the tst_qvariant test case as such, and
instead disables only the test functions that are currently
failing in CI.

Task-number: QTBUG-22453
Change-Id: Ibf0dc3caf50d34084fa50cf76d199e77a42f6e16
Reviewed-by: Olivier Goffart <ogoffart@kde.org>

tests/auto/corelib/kernel/qvariant/qvariant.pro

@@ -2,5 +2,3 @@ CONFIG += testcase
 TARGET = tst_qvariant
 SOURCES  += tst_qvariant.cpp
 QT += widgets network testlib
-
-CONFIG+=insignificant_test # See QTBUG-8959

tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp

@@ -2914,6 +2914,9 @@ void tst_QVariant::task256984_setValue()
 
 void tst_QVariant::numericalConvert()
 {
+#if defined(Q_OS_LINUX) && defined(Q_CC_GNU) && !defined(__x86_64__)
+    QSKIP("Known to fail due to a GCC bug on at least Ubuntu 10.04 32-bit - check QTBUG-8959");
+#endif
     QVariant vfloat(float(5.3));
     QVariant vdouble(double(5.3));
     QVariant vreal(qreal(5.3));