test: update snap

Author: tangjinzhou

components/tree-select/__tests__/__snapshots__/demo.test.js.snap

@@ -40,6 +40,17 @@ exports[`renders ./components/tree-select/demo/checkable.vue correctly 1`] = `
 </div>
 `;
 
+exports[`renders ./components/tree-select/demo/highlight.vue correctly 1`] = `
+<div style="width: 100%;" class="ant-select ant-tree-select ant-select-single ant-select-allow-clear ant-select-show-arrow ant-select-show-search">
+  <!---->
+  <!---->
+  <div class="ant-select-selector"><span class="ant-select-selection-search"><input id="rc_select_TEST_OR_SSR" autocomplete="off" class="ant-select-selection-search-input" role="combobox" aria-haspopup="listbox" aria-owns="rc_select_TEST_OR_SSR_list" aria-autocomplete="list" aria-controls="rc_select_TEST_OR_SSR_list" aria-activedescendant="rc_select_TEST_OR_SSR_list_0" type="search"></span>
+    <!----><span class="ant-select-selection-placeholder">Please select</span>
+  </div><span class="ant-select-arrow" style="user-select: none;" unselectable="on" aria-hidden="true"><span role="img" aria-label="down" class="anticon anticon-down ant-select-suffix"><svg focusable="false" class="" data-icon="down" width="1em" height="1em" fill="currentColor" aria-hidden="true" viewBox="64 64 896 896"><path d="M884 256h-75c-5.1 0-9.9 2.5-12.9 6.6L512 654.2 227.9 262.6c-3-4.1-7.8-6.6-12.9-6.6h-75c-6.5 0-10.3 7.4-6.5 12.7l352.6 486.1c12.8 17.6 39 17.6 51.7 0l352.6-486.1c3.9-5.3.1-12.7-6.4-12.7z"></path></svg></span></span>
+  <!---->
+</div>
+`;
+
 exports[`renders ./components/tree-select/demo/multiple.vue correctly 1`] = `
 <div style="width: 100%;" class="ant-select ant-tree-select ant-select-multiple ant-select-allow-clear ant-select-show-search" multiple="true">
   <!---->