Fix unknown Cycles test device silently pass

Prevents situation when requested device is HIPRT (while the expected
spelling is HIP-RT).

Pull Request: https://projects.blender.org/blender/blender/pulls/134332

tests/python/CMakeLists.txt

@@ -613,6 +613,7 @@ if(WITH_CYCLES OR WITH_GPU_RENDER_TESTS)
     # Cycles
     if(WITH_CYCLES)
       set(_cycles_blocklist "")
+      set(_cycles_known_test_devices CPU CUDA OPTIX HIP HIP-RT METAL METAL-RT ONEAPI ONEAPI-RT)
       if((NOT WITH_CYCLES_OSL) OR (WITH_CYCLES_TEST_OSL AND WITH_CYCLES_OSL))
         # Disable OSL tests if built without OSL or
         # Disable OSL tests during the "normal" test phase to avoid double
@@ -620,6 +621,10 @@ if(WITH_CYCLES OR WITH_GPU_RENDER_TESTS)
         set(_cycles_blocklist OSL)
       endif()
       foreach(_cycles_device ${CYCLES_TEST_DEVICES})
+        if(NOT ${_cycles_device} IN_LIST _cycles_known_test_devices)
+          message(FATAL_ERROR "Unknown Cycles test device ${_cycles_device}."
+              "Supported devices are: ${_cycles_known_test_devices}")
+        endif()
         string(TOLOWER "${_cycles_device}" _cycles_device_lower)
         set(_cycles_render_tests bake;${render_tests};osl)
 
@@ -662,6 +667,7 @@ if(WITH_CYCLES OR WITH_GPU_RENDER_TESTS)
         endforeach()
       endforeach()
       unset(_cycles_blocklist)
+      unset(_cycles_known_test_devices)
     endif()
 
     if(WITH_GPU_RENDER_TESTS)