Fix tst_qformlayout::wrapping on Android

The content of the window was intended to trigger wrapping.
On Android, the window is larger, so more content is
necessary. This patch adds more content.

Fixes: QTBUG-87401
Pick-to: 6.2 6.3
Change-Id: I33a2fe4560c358f2b0b83523ee4ab26bb5dd2513
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>

tests/auto/widgets/kernel/qformlayout/BLACKLIST

@@ -1,3 +0,0 @@
-# QTBUG-87401
-[wrapping]
-android

tests/auto/widgets/kernel/qformlayout/tst_qformlayout.cpp

@@ -275,7 +275,9 @@ void tst_QFormLayout::wrapping()
     fl->setRowWrapPolicy(QFormLayout::WrapLongRows);
 
     QLineEdit *le = new QLineEdit;
-    QLabel *lbl = new QLabel("A long label");
+    QLabel *lbl = new QLabel("A long label which is actually long enough to trigger wrapping,"
+                             " even on Android and even if it is executed on a tiling window"
+                             " manager which forces the window into fullscreen mode.");
     le->setMinimumWidth(200);
     fl->addRow(lbl, le);