[SYCL] Modify SYCL/KernelAndProgram/cache_env_vars.cpp to pass with -O0 (#1174)

Internally, we run the test suite with optimizations disabled and this
test started to fail after intel/llvm#6560.
Adust it to pass again.

Author: aelovikov-intel

SYCL/KernelAndProgram/cache_env_vars.cpp

@@ -5,7 +5,7 @@
 // Build program and add item to cache
 // RUN: %BE_RUN_PLACEHOLDER SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
 // Ignore caching because image size is less than threshold
-// RUN: %BE_RUN_PLACEHOLDER SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 SYCL_CACHE_MIN_DEVICE_IMAGE_SIZE=100000 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
+// RUN: %BE_RUN_PLACEHOLDER SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 SYCL_CACHE_MIN_DEVICE_IMAGE_SIZE=1000000 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
 // Ignore caching because image size is more than threshold
 // RUN: %BE_RUN_PLACEHOLDER SYCL_CACHE_PERSISTENT=1 SYCL_CACHE_DIR=%t/cache_dir SYCL_PI_TRACE=-1 SYCL_CACHE_MAX_DEVICE_IMAGE_SIZE=1000 %t.out | FileCheck %s --check-prefixes=CHECK-BUILD
 // Use cache