bpo-33951: IDLE test_configdialog: call page.update in setUpClass (GH-7892)
This avoids a failure in at least one case when running only a single
test method rather than all tests in the module.
The issue came up when testing the following on Windows 10 Pro 64-bit:
HighPageTest.test_highlight_target_text_mouse
diff --git a/Lib/idlelib/idle_test/test_configdialog.py b/Lib/idlelib/idle_test/test_configdialog.py
index fe712b1..dbfcd01 100644
--- a/Lib/idlelib/idle_test/test_configdialog.py
+++ b/Lib/idlelib/idle_test/test_configdialog.py
@@ -60,6 +60,7 @@
page = cls.page = dialog.fontpage
dialog.note.select(page)
page.set_samples = Func() # Mask instance method.
+ page.update()
@classmethod
def tearDownClass(cls):
@@ -210,6 +211,7 @@
@classmethod
def setUpClass(cls):
cls.page = dialog.fontpage
+ cls.page.update()
def test_load_tab_cfg(self):
d = self.page
@@ -240,6 +242,7 @@
page.paint_theme_sample = Func()
page.set_highlight_target = Func()
page.set_color_sample = Func()
+ page.update()
@classmethod
def tearDownClass(cls):
@@ -1085,6 +1088,7 @@
dialog.note.select(page)
page.set = page.set_add_delete_state = Func()
page.upc = page.update_help_changes = Func()
+ page.update()
@classmethod
def tearDownClass(cls):