Fix expected failure in contract tests

Author: Pansysk75

libs/core/contracts/tests/unit/CMakeLists.txt

@@ -33,25 +33,25 @@ endforeach()
 # mode (HPX_ASSERT or HPX_CONTRACT_ASSERT behavior)
 set_tests_properties(
   tests.unit.modules.contracts.declaration_contracts_fail_contract_assert
-  PROPERTIES WILL_FAIL $<$<CONFIG:Debug>:ON>
+  PROPERTIES WILL_FAIL $<$<CONFIG:Debug>:true>
 )
 
 if(HPX_HAVE_CXX26_CONTRACTS)
   # Set failure expectations for declaration contract failure tests Native
   # contracts should fail when violated
   set_tests_properties(
     tests.unit.modules.contracts.declaration_contracts_fail_pre
-    PROPERTIES WILL_FAIL ON
+    PROPERTIES WILL_FAIL true
   )
   set_tests_properties(
     tests.unit.modules.contracts.declaration_contracts_fail_post
-    PROPERTIES WILL_FAIL ON
+    PROPERTIES WILL_FAIL true
   )
 else()
   # Set failure expectation for fallback failure test Fallback only fails in
   # Debug mode (HPX_ASSERT behavior)
   set_tests_properties(
     tests.unit.modules.contracts.fallback_contracts_fail
-    PROPERTIES WILL_FAIL $<$<CONFIG:Debug>:ON>
+    PROPERTIES WILL_FAIL $<$<CONFIG:Debug>:true>
   )
 endif()