tests: Fix CT-only build errors with hipSYCL (#181)

Author: mmeterel

tests/unit_tests/CMakeLists.txt

@@ -159,8 +159,10 @@ foreach(domain ${TARGET_DOMAINS})
     PROPERTIES TEST_PREFIX ${DOMAIN_PREFIX}/CT/
     DISCOVERY_TIMEOUT 30
   )
-  if (USE_ADD_SYCL_TO_TARGET_INTEGRATION)
-    add_sycl_to_target(TARGET test_main_${domain}_rt)
-  endif()
 
+  if(BUILD_SHARED_LIBS)
+    if (USE_ADD_SYCL_TO_TARGET_INTEGRATION)
+      add_sycl_to_target(TARGET test_main_${domain}_rt)
+    endif()
+  endif()
 endforeach()