Scrollable Interface with reasonable minimum window size.

src/user_interface.py

@@ -470,6 +470,7 @@ def __init__(self):
             app.iconbitmap(iconpath)
 
         app.protocol("WM_DELETE_WINDOW", self.__on_close)
+        app.minsize(500,600)
 
         # Scrollable Inner Frame
         self.scroll = ScrollFrame(app)

test/test_tk_scrollable_frame.py

@@ -0,0 +1,11 @@
+import tkinter as tk
+# This standard testing will not work because open-mcr is
+#  is not built as a python package.
+
+# def test_init():
+#     root = tk.Tk()
+#     tstframe = ScrollFrame(root)
+#     assert (isinstance(tstframe,ScrollFrame))
+#     assert (isinstance(tstframe,tk.Frame))
+
+# TODO more tests

test/test_user_interface.py

@@ -0,0 +1,17 @@
+# TODO the following need tests
+#   pack
+#   create_and_pack_label
+#   PickerWidget
+#   FolderPickerWidget
+#   FilePickerWidget
+#   CheckboxWidget
+#   SelectWidget
+#   FormVariantSelection
+#   InputFolderPickerWidget
+#   OutputFolderPickerWidget
+#   AnswerKeyPickerWidget
+#   ArrangementMapPickerWidget
+#   ProgressTrackerWidget
+#   create_and_pack_progress
+
+#   MainWindow