uitest: use the close_doc call in the calc demo

Change-Id: I8750e6fdbd0fb953795ebcd764184cbc23b6f65c

uitest/calc_tests/about_test.py

@@ -24,4 +24,6 @@ def test_about_dlg(xContext):
     xCloseBtn = xAboutDlg.getChild("close")
     xCloseBtn.executeAction("CLICK", tuple())
 
+    ui_test.close_doc()
+
 # vim:set shiftwidth=4 softtabstop=4 expandtab: */

uitest/calc_tests/create_range_name.py

@@ -39,6 +39,8 @@ def create_range_name(xContext):
     xAddBtn = xAddNameDlg.getChild("add")
     xAddBtn.executeAction("CLICK", tuple())
 
+    ui_test.close_doc()
+
 def create_local_range_name(xContext):
     xUITest = xContext.ServiceManager.createInstanceWithContext(
             "org.libreoffice.uitest.UITest", xContext)