remove some useless testcase for Camera XTS

Signed-off-by: Nyangpeng85 <yangpeng85@huawei.com>

multimedia/camera/camera_js_standard/Test.json

@@ -2,7 +2,7 @@
     "description": "Configuration for camerastandard Tests",
     "driver": {
         "type": "JSUnitTest",
-        "test-timeout": "1000000",
+        "test-timeout": "1500000",
         "package": "com.open.harmony.multimedia.cameratest",
         "shell-timeout": "60000"
     },