ported test data and test purchase receipt from aii
diff --git a/tests/data/item_group/lightweight.txt b/tests/data/item_group/lightweight.txt
new file mode 100644
index 0000000..b3e01e5
--- /dev/null
+++ b/tests/data/item_group/lightweight.txt
@@ -0,0 +1,27 @@
+# Item Group, Lightweight
+[
+
+	# These values are common in all dictionaries
+	{
+		u'creation': '2012-08-07 09:56:57',
+		u'docstatus': 0,
+		u'modified': '2012-08-07 09:56:58',
+		u'modified_by': u'Administrator',
+		u'owner': u'Administrator'
+	},
+
+	# These values are common for all Item Group
+	{
+		u'doctype': 'Item Group',
+		'is_group': u'No',
+		'item_group_name': u'Lightweight',
+		u'name': u'__common__',
+		'parent_item_group': u'Laptops'
+	},
+
+	# Item Group, Lightweight
+	{
+		u'doctype': 'Item Group',
+		u'name': u'Lightweight'
+	}
+]
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