[SYCL][E2E] Disable Plugin/sycl-ls-unified-runtime.cpp (#12815)

See #12798.

Author: aelovikov-intel

sycl/test-e2e/Plugin/sycl-ls-unified-runtime.cpp

@@ -1,4 +1,6 @@
 // REQUIRES: gpu, level_zero
+// https://github.com/intel/llvm/issues/12798
+// UNSUPPORTED: windows
 // RUN: env ONEAPI_DEVICE_SELECTOR="level_zero:*" sycl-ls 2>&1 | FileCheck --check-prefixes=CHECK-PI %s
 // RUN: env SYCL_PREFER_UR=0 ONEAPI_DEVICE_SELECTOR="level_zero:*" sycl-ls 2>&1 | FileCheck --check-prefixes=CHECK-PI %s
 // RUN: env SYCL_PI_TRACE=-1 SYCL_PREFER_UR=1 ONEAPI_DEVICE_SELECTOR="level_zero:*" sycl-ls 2>&1 | FileCheck --check-prefixes=CHECK-UR %s