[Testing] do not build mock adapter if L0_V2 is enabled

Author: igchor

test/conformance/CMakeLists.txt

@@ -85,7 +85,8 @@ function(add_conformance_test name)
 
     if(NOT (UR_BUILD_ADAPTER_CUDA OR UR_BUILD_ADAPTER_HIP
             OR UR_BUILD_ADAPTER_L0 OR UR_BUILD_ADAPTER_OPENCL
-            OR UR_BUILD_ADAPTER_NATIVE_CPU OR UR_BUILD_ADAPTER_ALL))
+            OR UR_BUILD_ADAPTER_NATIVE_CPU OR UR_BUILD_ADAPTER_L0_V2
+            OR UR_BUILD_ADAPTER_ALL))
         add_test_adapter(${name} adapter_mock)
     endif()
 endfunction()