[HIP] Add an eagerly-removed program_adapter match line

Despite passing CI at the time, and passing locally, it has subsequently
failed in another CI run.

Author: frasercrmck

test/conformance/program/program_adapter_hip.match

@@ -2,7 +2,8 @@ urProgramBuildTest.BuildFailure/AMD_HIP_BACKEND___{{.*}}_
 # HIP hasn't implemented urProgramCreateWithNativeHandleTest
 {{OPT}}urProgramCreateWithNativeHandleTest.Success/AMD_HIP_BACKEND___{{.*}}_
 urProgramGetBuildInfoTest.Success/AMD_HIP_BACKEND___{{.*}}___UR_PROGRAM_BUILD_INFO_BINARY_TYPE
-
+# This test flakily fails
+{{OPT}}urProgramGetBuildInfoSingleTest.LogIsNullTerminated/AMD_HIP_BACKEND___{{.*}}_
 # HIP doesn't expose kernel numbers or names
 urProgramGetInfoTest.Success/AMD_HIP_BACKEND___{{.*}}___UR_PROGRAM_INFO_NUM_KERNELS
 urProgramGetInfoTest.Success/AMD_HIP_BACKEND___{{.*}}___UR_PROGRAM_INFO_KERNEL_NAMES