diff --git a/spec/activerecord/debug_errors/ext/connection_adapters/abstract_mysql_adapter_spec.rb b/spec/activerecord/debug_errors/ext/connection_adapters/abstract_mysql_adapter_spec.rb
index d76df70..03d0dfd 100644
--- a/spec/activerecord/debug_errors/ext/connection_adapters/abstract_mysql_adapter_spec.rb
+++ b/spec/activerecord/debug_errors/ext/connection_adapters/abstract_mysql_adapter_spec.rb
@@ -74,10 +74,11 @@ def cause_deadlock(role:)
 
         ths = Array.new(2) do
           Thread.new do
+            Thread.current.abort_on_exception = true
             User.transaction do
               barrier.await(1)
               User.lock.find_by!(name: 'foo')
-              sleep 2
+              sleep 5
             end
           end
         end