diff --git a/npm/ng-packs/packages/theme-shared/src/lib/tests/append-content.token.spec.ts b/npm/ng-packs/packages/theme-shared/src/lib/tests/append-content.token.spec.ts
new file mode 100644
index 0000000000..44bf398a31
--- /dev/null
+++ b/npm/ng-packs/packages/theme-shared/src/lib/tests/append-content.token.spec.ts
@@ -0,0 +1,27 @@
+import { Component } from '@angular/core';
+import { createComponentFactory, Spectator } from '@ngneat/spectator';
+import { THEME_SHARED_APPEND_CONTENT } from '../tokens/append-content.token';
+import { DomInsertionService } from '@abp/ng.core';
+import { chartJsLoaded$ } from '../utils';
+
+@Component({ selector: 'app-dummy', template: '' })
+class DummyComponent {}
+
+describe('AppendContentToken', () => {
+  let spectator: Spectator<DummyComponent>;
+  const createComponent = createComponentFactory(DummyComponent);
+
+  beforeEach(() => (spectator = createComponent()));
+
+  it('should insert a style element to the DOM', () => {
+    spectator.get(THEME_SHARED_APPEND_CONTENT);
+    expect(spectator.get(DomInsertionService).inserted.size).toBe(1);
+  });
+
+  it('should be loaded the chart.js', done => {
+    chartJsLoaded$.subscribe(loaded => {
+      expect(loaded).toBe(true);
+      done();
+    });
+  });
+});