Add --hot-reload to the test harness.

runtime/observatory/tests/service/service.status

Index: runtime/observatory/tests/service/service.status
diff --git a/runtime/observatory/tests/service/service.status b/runtime/observatory/tests/service/service.status
index 31ffa2155078e4feb1b7c14563b4ab1f23aee9b5..b18b6ce47c0086bbb1671b5c87c4a6377249d54b 100644
--- a/runtime/observatory/tests/service/service.status
+++ b/runtime/observatory/tests/service/service.status
@@ -54,3 +54,19 @@ evaluate_activation_in_method_class_test: CompileTimeError # Issue 24478
 # TODO(vegorov) re-enable when debugger, coverage and profiling is completely
 # fixed for SIMDBC.
 *: Skip
+
+[ $hot_reload ]
+add_breakpoint_rpc_test: Pass, Timeout, Fail, Crash
+code_test: Fail, Crash
+debugger_location_test: Timeout, Fail, Crash
+debugging_inlined_finally_test: Pass, Timeout, Fail, Crash
+dominator_tree_test: Timeout, Crash
+eval_test: Timeout, Fail, Crash
+evaluate_in_frame_rpc_test: Timeout, Fail, Crash
+get_cpu_profile_timeline_rpc_test: Pass, Timeout, Crash
+get_heap_map_rpc_test: Pass, Timeout, Fail, Crash
+get_vm_timeline_rpc_test: Timeout, Fail, Crash
+graph_test: Pass, Timeout, Fail, Crash
+smart_next_test: Pass, Timeout, Fail, Crash
+step_over_await_test: Pass, Timeout, Fail, Crash
+vm_timeline_events_test: Timeout, Fail, Crash