Read Bolus Field action

Added Action to  get the bolus field value. Needed for verifying if the value is reset when the current glucose field is edited.

Author: Foscottl-TP

Sources/LoopUITestingKit/Screens/BolusScreen.swift

@@ -39,6 +39,8 @@ public final class BolusScreen: BaseScreen {
     public func tapBolusEntryTextField() { bolusEntryTextField.safeTap() }
     public func tapBolusActionButton() { bolusActionButton.safeForceTap() }
     public func tapSaveAndDeliverButton() {saveAndDeliverButton.safeForceTap()}
+    public func getBolusFieldValue() -> String { bolusEntryTextField.getValueSafe() }
+    
 
     public func clearCurrentGlucoseEntryTextField() {
         let currentTextLength = currentGlucoseEntryTextField.getValueSafe().count