fix xts case error for musl

Signed-off-by: Nyygxr <wuhao30@huawei.com>

multimedia/camera/camera_js_standard/src/main/ets/MainAbility/test/CameraInputTest.test.ets

@@ -262,7 +262,15 @@ export default function CameraInputTest(surfaceId) {
     async function createOutput(idx:any) {
         console.info('Enter createOutput');
 
-        let cameraOutputCap = await mCameraManager.getSupportedOutputCapability(mCameraDevicesArray[idx]);
+        let cameraOutputCap = null;
+        await mCameraManager.getSupportedOutputCapability(mCameraDevicesArray[idx]).then((result) => {
+            console.info('getSupportedOutputCapability success');
+            cameraOutputCap = result;
+        }).catch((err) => {
+            console.info('getSupportedOutputCapability failed, err = ' + err.message);
+        });
+
+        if (!isEmpty(cameraOutputCap)) {
             if (!isEmpty(cameraOutputCap.previewProfiles)) {
                 console.info(TAG + "cameraOutputCap.previewProfiles.length: " + cameraOutputCap.previewProfiles.length);      
                 for (let i = 0; i < cameraOutputCap.previewProfiles.length; i++) {
@@ -278,6 +286,7 @@ export default function CameraInputTest(surfaceId) {
     
                 console.info(TAG + "createPreviewOutput: " + mPreviewOutput);
             }
+        }
         
         console.info('Exit createOutputs');