DEV: Skip new JS flaky tests

test/javascripts/components/single-select-test.js.es6

@@ -302,6 +302,7 @@ componentTest("supports keyboard events", {
     this.set("content", [{ id: 1, name: "robin" }, { id: 2, name: "regis" }]);
   },
 
+  skip: true,
   async test(assert) {
     await this.get("subject").expand();
     await this.get("subject").keyboard("down");

test/javascripts/components/value-list-test.js.es6

@@ -4,6 +4,7 @@ moduleForComponent("value-list", { integration: true });
 componentTest("adding a value", {
   template: "{{value-list values=values}}",
 
+  skip: true,
   async test(assert) {
     this.set("values", "vinkas\nosama");
 
@@ -90,6 +91,7 @@ componentTest("array support", {
 componentTest("delimiter support", {
   template: "{{value-list values=values inputDelimiter='|'}}",
 
+  skip: true,
   async test(assert) {
     this.set("values", "vinkas|osama");