chore: remove unused mock, switch to enzyme free config

Author: r0b1n

packages/pluggableWidgets/combobox-web/jest.config.js

@@ -1,10 +1,3 @@
-const { join } = require("path");
-const base = require("@mendix/pluggable-widgets-tools/test-config/jest.config");
-
 module.exports = {
-    ...base,
-    moduleNameMapper: {
-        ...base.moduleNameMapper,
-        "mendix/components/web/Icon": join(__dirname, "src/__mocks__/WebIcon")
-    }
+    ...require("@mendix/pluggable-widgets-tools/test-config/jest.enzyme-free.config.js")
 };

packages/pluggableWidgets/combobox-web/src/__mocks__/WebIcon.js

@@ -229,7 +229,7 @@ exports[`Combo box (Association) toggles combobox menu on: input TOGGLE BUTTON 1
   >
     <div
       class="widget-combobox-input-container form-control"
-      id="downshift-7-toggle-button"
+      id="downshift-6-toggle-button"
       tabindex="-1"
     >
       <div
@@ -238,7 +238,7 @@ exports[`Combo box (Association) toggles combobox menu on: input TOGGLE BUTTON 1
         <input
           aria-activedescendant=""
           aria-autocomplete="list"
-          aria-controls="downshift-7-menu"
+          aria-controls="downshift-6-menu"
           aria-expanded="false"
           aria-labelledby="comboBox1-label"
           aria-required="true"
@@ -325,7 +325,7 @@ exports[`Combo box (Association) toggles combobox menu on: input TOGGLE BUTTON 1
       <ul
         aria-labelledby="comboBox1-label"
         class="widget-combobox-menu-list"
-        id="downshift-7-menu"
+        id="downshift-6-menu"
         role="listbox"
       />
     </div>