diff --git a/be/src/olap/delta_writer_v2.cpp b/be/src/olap/delta_writer_v2.cpp
index 4b9f4231bf1745..2bd1fa6a111913 100644
--- a/be/src/olap/delta_writer_v2.cpp
+++ b/be/src/olap/delta_writer_v2.cpp
@@ -154,7 +154,7 @@ Status DeltaWriterV2::write(const vectorized::Block* block, const std::vector<ui
         SCOPED_RAW_TIMER(&_wait_flush_limit_time);
         auto memtable_flush_running_count_limit = config::memtable_flush_running_count_limit;
         DBUG_EXECUTE_IF("DeltaWriterV2.write.back_pressure",
-                        { memtable_flush_running_count_limit = 0; });
+                        { std::this_thread::sleep_for(std::chrono::milliseconds(10 * 1000)); });
         while (_memtable_writer->flush_running_count() >= memtable_flush_running_count_limit) {
             if (_state->is_cancelled()) {
                 return _state->cancel_reason();
diff --git a/regression-test/pipeline/cloud_p0/conf/regression-conf-custom.groovy b/regression-test/pipeline/cloud_p0/conf/regression-conf-custom.groovy
index 10b97133a31cbe..8d6b265a54bf02 100644
--- a/regression-test/pipeline/cloud_p0/conf/regression-conf-custom.groovy
+++ b/regression-test/pipeline/cloud_p0/conf/regression-conf-custom.groovy
@@ -45,7 +45,6 @@ excludeSuites = "000_the_start_sentinel_do_not_touch," + // keep this line as th
     "test_query_sys_rowsets," + // rowsets sys table
     "test_unique_table_debug_data," + // disable auto compaction
     "test_insert," + // txn insert
-    "test_delta_writer_v2_back_pressure_fault_injection," +
     "test_full_compaction_run_status," +
     "test_topn_fault_injection," +
     "zzz_the_end_sentinel_do_not_touch" // keep this line as the last line
diff --git a/regression-test/pipeline/p0/conf/regression-conf.groovy b/regression-test/pipeline/p0/conf/regression-conf.groovy
index f90c3fb1df3bed..0b8c3a2508934e 100644
--- a/regression-test/pipeline/p0/conf/regression-conf.groovy
+++ b/regression-test/pipeline/p0/conf/regression-conf.groovy
@@ -71,7 +71,6 @@ excludeSuites = "000_the_start_sentinel_do_not_touch," + // keep this line as th
     "test_broker_load_func," +
     "test_stream_stub_fault_injection," +
     "test_index_compaction_failure_injection," +
-    "test_delta_writer_v2_back_pressure_fault_injection," +
     "test_full_compaction_run_status," +
     "test_topn_fault_injection," + 
     "zzz_the_end_sentinel_do_not_touch" // keep this line as the last line