diff --git a/SYCL/Assert/assert_in_simultaneous_kernels.cpp b/SYCL/Assert/assert_in_simultaneous_kernels.cpp
index c9d82dce6d..21290e6d9b 100644
--- a/SYCL/Assert/assert_in_simultaneous_kernels.cpp
+++ b/SYCL/Assert/assert_in_simultaneous_kernels.cpp
@@ -10,7 +10,9 @@
 // too early. This is necessary because currently SYCL RT sets indirect access
 // flag for all kernels and the Level Zero runtime doesn't support deferred
 // release yet.
-// RUN: env SYCL_PI_LEVEL_ZERO_TRACK_INDIRECT_ACCESS_MEMORY=1 %GPU_RUN_PLACEHOLDER %t.out &> %t.txt || true
+// Suppress runtime from printing out error messages, so that the test can
+// match on assert message generated by the toolchains.
+// RUN: env SYCL_PI_LEVEL_ZERO_TRACK_INDIRECT_ACCESS_MEMORY=1 SYCL_PI_SUPPRESS_ERROR_MESSAGE=1 %GPU_RUN_PLACEHOLDER %t.out &> %t.txt || true
 // RUN: %GPU_RUN_PLACEHOLDER FileCheck %s --input-file %t.txt
 // Shouldn't fail on ACC as fallback assert isn't enqueued there
 // RUN: %ACC_RUN_PLACEHOLDER %t.out &> %t.txt
diff --git a/SYCL/Assert/assert_in_simultaneously_multiple_tus.cpp b/SYCL/Assert/assert_in_simultaneously_multiple_tus.cpp
index d47328b5d1..976904ad50 100644
--- a/SYCL/Assert/assert_in_simultaneously_multiple_tus.cpp
+++ b/SYCL/Assert/assert_in_simultaneously_multiple_tus.cpp
@@ -10,7 +10,9 @@
 // too early. This is necessary because currently SYCL RT sets indirect access
 // flag for all kernels and the Level Zero runtime doesn't support deferred
 // release yet.
-// RUN: env SYCL_PI_LEVEL_ZERO_TRACK_INDIRECT_ACCESS_MEMORY=1 %GPU_RUN_PLACEHOLDER %t.out &> %t.txt || true
+// Suppress runtime from printing out error messages, so that the test can
+// match on assert message generated by the toolchains.
+// RUN: env SYCL_PI_LEVEL_ZERO_TRACK_INDIRECT_ACCESS_MEMORY=1 SYCL_PI_SUPPRESS_ERROR_MESSAGE=1 %GPU_RUN_PLACEHOLDER %t.out &> %t.txt || true
 // RUN: %GPU_RUN_PLACEHOLDER FileCheck %s --input-file %t.txt
 // Shouldn't fail on ACC as fallback assert isn't enqueued there
 // RUN: %ACC_RUN_PLACEHOLDER %t.out &> %t.txt
diff --git a/SYCL/Assert/assert_in_simultaneously_multiple_tus_one_ndebug.cpp b/SYCL/Assert/assert_in_simultaneously_multiple_tus_one_ndebug.cpp
index ded5709024..dfb992a6a7 100644
--- a/SYCL/Assert/assert_in_simultaneously_multiple_tus_one_ndebug.cpp
+++ b/SYCL/Assert/assert_in_simultaneously_multiple_tus_one_ndebug.cpp
@@ -9,7 +9,9 @@
 // too early. This is necessary because currently SYCL RT sets indirect access
 // flag for all kernels and the Level Zero runtime doesn't support deferred
 // release yet.
-// RUN: env SYCL_PI_LEVEL_ZERO_TRACK_INDIRECT_ACCESS_MEMORY=1 %GPU_RUN_PLACEHOLDER %t.out &> %t.txt || true
+// Suppress runtime from printing out error messages, so that the test can
+// match on assert message generated by the toolchains.
+// RUN: env SYCL_PI_LEVEL_ZERO_TRACK_INDIRECT_ACCESS_MEMORY=1 SYCL_PI_SUPPRESS_ERROR_MESSAGE=1 %GPU_RUN_PLACEHOLDER %t.out &> %t.txt || true
 // RUN: %GPU_RUN_PLACEHOLDER FileCheck %s --input-file %t.txt
 // Shouldn't fail on ACC as fallback assert isn't enqueued there
 // RUN: %ACC_RUN_PLACEHOLDER %t.out &> %t.txt