When using the TAB key in the HelloComboBox Sample to change focus from ComboBox to ComboBox:

Narrator will include the phrase "editable text" with the other spoken info, for ALL ComboBoxes (even non-editable ones).
JAWS will NOT include the phrase "editable text" with the other spoken info, for ANY ComboBoxes (even editable ones).

RULE tests/jaws/ComboBox any any
RULE tests/narrator/ComboBox any any

See Keyboard Spec:
https://wiki.openjdk.java.net/display/OpenJFX/Keyboard+Navigation under "ComboBox ".

Download jar with accessibility test samples from https://wiki.se.oracle.com/download/attachments/46472587/Hello.jar
The HelloComboBox Sample is run from Hello.jar as follows:
java -cp Hello.jar hello.HelloComboBox