Add test cases of generateRandomUUID and generateRandomBinaryUUID

https://gitee.com/openharmony/xts_acts/issues/I6CO24Signed-off-by: Njiangkai43 <jiangkai43@huawei.com>

commonlibrary/ets_utils/util2_lib_standard/src/main/js/test/util.test.js

@@ -946,6 +946,42 @@ describe('TextEncoderTest', function () {
             expect(e.message).assertEqual('Syntax Error.Invalid 84Wdf796-66cc-4655-9b89-d6218d100f9c string');
         }
     })
+
+    /**
+     * @tc.name: testUtilgenerateRandomUUID001
+     * @tc.desc: Generate a random RFC 4122 version 4 UUID.
+     */
+    it('testUtilgenerateRandomUUID001', 0, async function () {
+        var result = util.generateRandomUUID(true);
+        expect(result.length).assertEqual(36);
+    })
+
+    /**
+     * @tc.name: testUtilgenerateRandomUUID002
+     * @tc.desc: Generate a random RFC 4122 version 4 UUID.
+     */
+    it('testUtilgenerateRandomUUID002', 0, async function () {
+        var result = util.generateRandomUUID(false);
+        expect(result.length).assertEqual(36);
+    })
+
+    /**
+     * @tc.name: testUtilgenerateRandomBinaryUUID001
+     * @tc.desc: Generate a random RFC 4122 version 4 UUID.
+     */
+    it('testUtilgenerateRandomBinaryUUID001', 0, async function () {
+        var result = util.generateRandomBinaryUUID(true);
+        expect(result.length).assertEqual(16);
+    })
+
+    /**
+     * @tc.name: testUtilgenerateRandomBinaryUUID002
+     * @tc.desc: Generate a random RFC 4122 version 4 UUID.
+     */
+    it('testUtilgenerateRandomBinaryUUID002', 0, async function () {
+        var result = util.generateRandomBinaryUUID(false);
+        expect(result.length).assertEqual(16);
+    })
 })
 
 describe('ScopeHelperTest', function () {