diff --git a/examples/api-tests/src/file-search.spec.js b/examples/api-tests/src/file-search.spec.js
index 80ca3bbde716c..196abe1e59b92 100644
--- a/examples/api-tests/src/file-search.spec.js
+++ b/examples/api-tests/src/file-search.spec.js
@@ -20,7 +20,6 @@ describe('file-search', function () {
     const { assert } = chai;
 
     const Uri = require('@theia/core/lib/common/uri');
-    const { QuickOpenItem } = require('@theia/core/lib/browser');
     const { QuickFileOpenService } = require('@theia/file-search/lib/browser/quick-file-open');
 
     /** @type {import('inversify').Container} */
@@ -32,25 +31,31 @@ describe('file-search', function () {
         describe('#compareItems', () => {
 
             it('should compare two quick-open-items by `label`', () => {
-                const a = new QuickOpenItem({ label: 'a', uri: new Uri.default('a') });
-                const b = new QuickOpenItem({ label: 'a', uri: new Uri.default('b') });
+
+                /** @type monaco.quickInput.IAnythingQuickPickItem */
+                const a = { label: 'a', resource: new Uri.default('a') };
+                /** @type monaco.quickInput.IAnythingQuickPickItem */
+                const b = { label: 'a', resource: new Uri.default('b') };
 
                 assert.equal(quickFileOpenService['compareItems'](a, b), 1, 'a should be before b');
                 assert.equal(quickFileOpenService['compareItems'](b, a), -1, 'a should be before b');
                 assert.equal(quickFileOpenService['compareItems'](a, a), 0, 'items should be equal');
 
-                assert.equal(quickFileOpenService['compareItems'](a, b, 'getLabel'), 1, 'a should be before b');
-                assert.equal(quickFileOpenService['compareItems'](b, a, 'getLabel'), -1, 'a should be before b');
-                assert.equal(quickFileOpenService['compareItems'](a, a, 'getLabel'), 0, 'items should be equal');
+                assert.equal(quickFileOpenService['compareItems'](a, b, 'label'), 1, 'a should be before b');
+                assert.equal(quickFileOpenService['compareItems'](b, a, 'label'), -1, 'a should be before b');
+                assert.equal(quickFileOpenService['compareItems'](a, a, 'label'), 0, 'items should be equal');
             });
 
             it('should compare two quick-open-items by `uri`', () => {
-                const a = new QuickOpenItem({ label: 'a', uri: new Uri.default('a') });
-                const b = new QuickOpenItem({ label: 'a', uri: new Uri.default('b') });
 
-                assert.equal(quickFileOpenService['compareItems'](a, b, 'getUri'), 1, 'a should be before b');
-                assert.equal(quickFileOpenService['compareItems'](b, a, 'getUri'), -1, 'a should be before b');
-                assert.equal(quickFileOpenService['compareItems'](a, a, 'getUri'), 0, 'items should be equal');
+                /** @type monaco.quickInput.IAnythingQuickPickItem */
+                const a = { label: 'a', resource: new Uri.default('a') };
+                /** @type monaco.quickInput.IAnythingQuickPickItem */
+                const b = { label: 'a', resource: new Uri.default('b') };
+
+                assert.equal(quickFileOpenService['compareItems'](a, b, 'resource'), 1, 'a should be before b');
+                assert.equal(quickFileOpenService['compareItems'](b, a, 'resource'), -1, 'a should be before b');
+                assert.equal(quickFileOpenService['compareItems'](a, a, 'resource'), 0, 'items should be equal');
             });
 
         });