add test cases

Signed-off-by: Nbayanxing <bayanxing@kaihongdigi.com>

arkui/ace_standard/src/main/js/default/pages/web/prop/index.hml

+<!--/**
+ * Copyright (c) 2022 Shenzhen Kaihong Digital Industry Development Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */-->
+
+<div class="container">
+    <text class="title">
+        web特有属性
+    </text>
+
+    <text class="sub-title">
+        特有属性 -- src
+    </text>
+    <web id="webSrc"
+         src="https://www.baidu.com">
+    </web>
+    <web id="webSrcNone"
+         src="">
+    </web>
+</div>
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arkui/ace_standard/src/main/js/default/pages/web/prop/index.js

+/**
+ * Copyright (c) 2022 Shenzhen Kaihong Digital Industry Development Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import prompt from '@system.prompt';
+
+export default {
+    data:{
+        webSrc : null,
+        webSrcNone : null,
+    },
+
+    onShow(){
+        this.getPropValues();
+        globalThis.value = {
+            webSrc : this.webSrc,
+            webSrcNone : this.webSrcNone,
+        }
+    },
+
+    getPropValues() {
+        this.webSrc = this.$element("webSrc").getInspector()
+        this.webSrcNone = this.$element("webSrcNone").getInspector()
+    }
+}
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