Print Tk patchlevel in Tk and Ttk tests in verbose mode (issue19654).

Lib/tkinter/test/test_tkinter/test_widgets.py

@@ -7,7 +7,8 @@ from tkinter.test.support import (tcl_version, requires_tcl,
                                   get_tk_patchlevel, widget_eq)
 from tkinter.test.widget_tests import (
     add_standard_options, noconv, pixels_round,
-    AbstractWidgetTest, StandardOptionsTests, IntegerSizeTests, PixelSizeTests)
+    AbstractWidgetTest, StandardOptionsTests, IntegerSizeTests, PixelSizeTests,
+    setUpModule)
 
 requires('gui')
 

Lib/tkinter/test/test_ttk/test_widgets.py

@@ -8,7 +8,8 @@ import tkinter.test.support as support
 from tkinter.test.test_ttk.test_functions import MockTclObj
 from tkinter.test.support import tcl_version
 from tkinter.test.widget_tests import (add_standard_options, noconv,
-    AbstractWidgetTest, StandardOptionsTests, IntegerSizeTests, PixelSizeTests)
+    AbstractWidgetTest, StandardOptionsTests, IntegerSizeTests, PixelSizeTests,
+    setUpModule)
 
 requires('gui')
 

Lib/tkinter/test/widget_tests.py

@@ -491,3 +491,9 @@ def add_standard_options(*source_classes):
                     setattr(cls, methodname, test)
         return cls
     return decorator
+
+def setUpModule():
+    import test.support
+    if test.support.verbose:
+        tcl = tkinter.Tcl()
+        print('patchlevel =', tcl.call('info', 'patchlevel'))