[gtk/bin-removal] Add a test for bin child conversion

[Matthias Clasen <matthiasc src gnome org>]

commit 7c75fe3cc1b41875799a63e2b1cc1fefea057aa2
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri May 1 18:06:57 2020 -0400

    Add a test for bin child conversion

 testsuite/tools/simplify-data-3to4/bin.expected | 15 +++++++++++++++
 testsuite/tools/simplify-data-3to4/bin.ui       | 13 +++++++++++++
 2 files changed, 28 insertions(+)
---
diff --git a/testsuite/tools/simplify-data-3to4/bin.expected b/testsuite/tools/simplify-data-3to4/bin.expected
new file mode 100644
index 0000000000..52b3f1c633
--- /dev/null
+++ b/testsuite/tools/simplify-data-3to4/bin.expected
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <object class="GtkFrame">
+    <property name="visible">0</property>
+    <property name="label">bla</property>
+    <child>
+      <object class="GtkGestureClick"/>
+    </child>
+    <property name="child">
+      <object class="GtkButton">
+        <property name="visible">0</property>
+      </object>
+    </property>
+  </object>
+</interface>
diff --git a/testsuite/tools/simplify-data-3to4/bin.ui b/testsuite/tools/simplify-data-3to4/bin.ui
new file mode 100644
index 0000000000..59aa761948
--- /dev/null
+++ b/testsuite/tools/simplify-data-3to4/bin.ui
@@ -0,0 +1,13 @@
+<interface>
+  <object class="GtkFrame">
+    <property name="label">bla</property>
+    <child>
+      <object class="GtkGestureClick">
+      </object>
+    </child>
+    <child>
+      <object class="GtkButton">
+      </object>
+    </child>
+  </object>
+</interface>