Actually test capabilities

Author: AndrewFerr

test/WidgetApi-test.ts

@@ -774,18 +774,22 @@ describe("WidgetApi", () => {
     describe("capabilities", () => {
         it("should request single capability", () => {
             const capability = "org.example.capability";
+            expect(widgetApi.hasCapability(capability)).toBe(false);
             widgetApi.requestCapability(capability);
-            expect(widgetApi.hasCapability(capability));
+            expect(widgetApi.hasCapability(capability)).toBe(true);
         });
 
         it("should request multiple capability", () => {
             const capabilities: string[] = [];
             for (let i = 1; i <= 3; i++) {
                 capabilities.push(`org.example.capability${i}`);
             }
+            for (const capability of capabilities) {
+                expect(widgetApi.hasCapability(capability)).toBe(false);
+            }
             widgetApi.requestCapabilities(capabilities);
             for (const capability of capabilities) {
-                expect(widgetApi.hasCapability(capability));
+                expect(widgetApi.hasCapability(capability)).toBe(true);
             }
         });
     });