SWDEV-478472 - Fix tests to return hipErrorInvalidChannelDescriptor instead of hipErrorUnknown

Change-Id: I1dc3af072aed813173cc12e9976a34ddf8c7d6a8


[ROCm/hip-tests commit: 5fa9900949]

projects/hip-tests/catch/unit/memory/hipMallocMipmappedArray.cc

@@ -271,7 +271,7 @@ void testInvalidDescriptionMipmapped(hipChannelFormatDesc desc) {
   hipMipmappedArray_t array;
 
 #if HT_NVIDIA
-  hipError_t expectedError = hipErrorUnknown;
+  hipError_t expectedError = hipErrorInvalidChannelDescriptor;
 #else
   hipError_t expectedError = hipErrorInvalidValue;
 #endif