diff --git a/Scripts/testharness_runner.py b/Scripts/testharness_runner.py
index f9fa35cd3..007ef7a51 100644
--- a/Scripts/testharness_runner.py
+++ b/Scripts/testharness_runner.py
@@ -5,9 +5,9 @@ import os.path
 from os import path
 from shutil import which
 
-# Args: <Known Failures file> <Known Failures Type File> <DisabledTestsFile> <DisabledTestsTypeFile> <DisabledTestsRunnerFile> <TestName> <Test Harness Executable> <Args>...
+# Args: <Known Failures file> <Known Failures Type File> <DisabledTestsFile> <DisabledTestsTypeFile> <DisabledTestsRunnerFile> <TestName> <FullTestName> <Test Harness Executable> <Args>...
 
-if (len(sys.argv) < 7):
+if (len(sys.argv) < 8):
     sys.exit()
 
 known_failures = {}
@@ -19,8 +19,9 @@ disabled_tests_type_file = sys.argv[4]
 disabled_tests_runner_file = sys.argv[5]
 
 current_test = sys.argv[6]
-runner = sys.argv[7]
-args_start_index = 8
+full_test_name = sys.argv[7]
+runner = sys.argv[8]
+args_start_index = 9
 
 # Open the known failures file and add it to a dictionary
 with open(known_failures_file) as kff:
@@ -63,7 +64,10 @@ Process = subprocess.Popen(RunnerArgs)
 Process.wait()
 ResultCode = Process.returncode
 
-if (known_failures.get(current_test)):
+# Check for known failures - try full test name first, then partial test name
+is_known_failure = known_failures.get(full_test_name) or known_failures.get(current_test)
+
+if (is_known_failure):
     # If the test is on the known failures list
     if (ResultCode):
         # If we errored but are on the known failures list then "pass" the test
diff --git a/unittests/32Bit_ASM/CMakeLists.txt b/unittests/32Bit_ASM/CMakeLists.txt
index a1cd4e664..462b319d4 100644
--- a/unittests/32Bit_ASM/CMakeLists.txt
+++ b/unittests/32Bit_ASM/CMakeLists.txt
@@ -91,6 +91,7 @@ foreach(ASM_SRC ${ASM_SOURCES})
       "${CMAKE_SOURCE_DIR}/unittests/32Bit_ASM/Disabled_Tests_${TEST_TYPE}"
       "${CMAKE_SOURCE_DIR}/unittests/32Bit_ASM/Disabled_Tests_${CPU_CLASS}"
       "Test_32Bit_${REL_TEST_ASM}"
+      "${TEST_NAME}"
       ${LAUNCH_PROGRAM}
       "${OUTPUT_NAME}" "${OUTPUT_CONFIG_NAME}")
     # This will cause the ASM tests to fail if it can't find the TestHarness or ASMN files
diff --git a/unittests/ASM/CMakeLists.txt b/unittests/ASM/CMakeLists.txt
index 20fe77524..ac0047647 100644
--- a/unittests/ASM/CMakeLists.txt
+++ b/unittests/ASM/CMakeLists.txt
@@ -98,6 +98,7 @@ foreach(ASM_SRC ${ASM_SOURCES})
       "${CMAKE_SOURCE_DIR}/unittests/ASM/Disabled_Tests_${TEST_TYPE}"
       "${CMAKE_SOURCE_DIR}/unittests/ASM/Disabled_Tests_${CPU_CLASS}"
       "Test_${REL_TEST_ASM}"
+      "${TEST_NAME}"
       ${LAUNCH_PROGRAM}
       "${OUTPUT_NAME}" "${OUTPUT_CONFIG_NAME}")
     # This will cause the ASM tests to fail if it can't find the TestHarness or ASMN files