Fix Unit Tests after replacing IP address NSText Field with a NSComboBox

Author: mulot

Base.lproj/MainMenu.xib

@@ -1520,7 +1520,7 @@ CA
                             <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
                         </textFieldCell>
                     </textField>
-                    <comboBox verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Sgp-Di-Z4I">
+                    <comboBox identifier="ipaddrfield" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Sgp-Di-Z4I">
                         <rect key="frame" x="171" y="651" width="332" height="25"/>
                         <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" flexibleMinY="YES"/>
                         <comboBoxCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" borderStyle="bezel" drawsBackground="YES" numberOfVisibleItems="10" id="Xfl-Op-pqt">

SubnetCalcUITests/SubnetCalcUITest.swift

@@ -30,7 +30,7 @@ class SubnetCalcUITest: XCTestCase {
         // Use XCTAssert and related functions to verify your tests produce the correct results.
 
         let subnetcalcWindow = XCUIApplication().windows["SubnetCalc"]
-        let ipaddrfieldTextField = subnetcalcWindow.textFields["ipaddrfield"]
+        let ipaddrfieldTextField = subnetcalcWindow.comboBoxes["ipaddrfield"]
 
         subnetcalcWindow.tabs["IPv4"].click()
         ipaddrfieldTextField.click()