test: Add xts_acts remainingChargeTime_test interface test case

Signed-off-by: Ntoutes <zhaoruiyuan2@huawei.com>
Change-Id: Ifd1df439b2b54eb92210ba97c113fac9dc87b52e

powermgr/powermgrbattery/src/main/js/default/test/battery_unit.test.js

@@ -390,4 +390,15 @@ describe('appInfoTest', function () {
         console.info('batteryLevelState = ' + batteryLevelState);
         expect(batteryLevelState == 5).assertTrue();
     })
+
+    /**
+     * @tc.number battery_manager_js_3400
+     * @tc.name remainingChargeTime_test
+     * @tc.desc Battry Present Interface Test
+     */
+    it('remainingChargeTime_test', 0, function () {
+        let remainingChargeTime = batteryInfo.estimatedRemainingChargeTime;
+        console.info('remainingChargeTime = ' + remainingChargeTime);
+        expect(remainingChargeTime >= 0).assertTrue();
+      })
 })