How to clear a pre-filled text field (Android)

Nope - looks like as soon as the text is deleted is goes back to being pre-populated,
this the error i’m seeing

info: [debug] [BOOTSTRAP] [debug] Clearing text not successful using selectAllDelete now trying to send delete keys.

info: [debug] [BOOTSTRAP] [debug] Finding methods on class: class com.android.uiautomator.core.UiAutomatorBridge

info: [debug] [BOOTSTRAP] [debug] Clearing text not successful falling back to UiAutomator method clear

info: [debug] [BOOTSTRAP] [debug] clearText not successful, continuing with setText anyway

info: [debug] [BOOTSTRAP] [debug] Sending plain text to element: Please enter your surnametest