UnitTests: Fix printer

Fix recursion for QVariant printers.

Change-Id: I1473a94102d0f4446e8033f4c1828735614cdfa3
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

tests/unit/unittest/gtest-qt-printing.cpp

@@ -49,6 +49,11 @@ std::ostream &operator<<(std::ostream &out, const QByteArray &byteArray)
     return out;
 }
 
+std::ostream &operator<<(std::ostream &out, const QString &text)
+{
+    return out << text.toUtf8();
+}
+
 std::ostream &operator<<(std::ostream &out, const QVariant &variant)
 {
     QString output;
@@ -59,11 +64,6 @@ std::ostream &operator<<(std::ostream &out, const QVariant &variant)
     return out << output;
 }
 
-std::ostream &operator<<(std::ostream &out, const QString &text)
-{
-    return out << text.toUtf8();
-}
-
 std::ostream &operator<<(std::ostream &out, const QTextCharFormat &format)
 {
     out << "("