[fix](regression) tests in unique_with_mow_p0/partial_update are flaky (#20633)

regression-test/suites/unique_with_mow_p0/partial_update/test_partial_update.groovy

@@ -52,8 +52,11 @@ suite("test_primary_key_partial_update", "p0") {
         file 'basic.csv'
         time 10000 // limit inflight 10s
     }
+
+    sql "sync"
+
     qt_select_default """
-        select * from ${tableName}
+        select * from ${tableName} order by id;
     """
 
     // drop drop

regression-test/suites/unique_with_mow_p0/partial_update/test_partial_update_default_value.groovy

@@ -52,8 +52,11 @@ suite("test_primary_key_partial_update_default_value", "p0") {
         file 'default.csv'
         time 10000 // limit inflight 10s
     }
+
+    sql "sync"
+
     qt_select_default """
-        select * from ${tableName}
+        select * from ${tableName} order by id;
     """
 
     // drop drop

regression-test/suites/unique_with_mow_p0/partial_update/test_partial_update_orc.groovy

@@ -51,8 +51,11 @@ suite("test_primary_key_partial_update_orc", "p0") {
         file 'update.orc'
         time 10000 // limit inflight 10s
     }
+
+    sql "sync"
+
     qt_select_0 """
-        select * from ${tableName};
+        select * from ${tableName} order by col_0;
     """
 
     // drop drop

regression-test/suites/unique_with_mow_p0/partial_update/test_partial_update_publish.groovy

@@ -61,6 +61,8 @@ suite("test_primary_key_partial_update_publish", "p0") {
         time 10000 // limit inflight 10s
     }
 
+    sql "sync"
+
     qt_select_default """
         select * from ${tableName} order by id;
     """

regression-test/suites/unique_with_mow_p0/partial_update/test_partial_update_with_row_column.groovy

@@ -53,6 +53,9 @@ suite("test_primary_key_partial_update_with_row_column", "p0") {
         file 'basic.csv'
         time 10000 // limit inflight 10s
     }
+
+    sql "sync"
+
     qt_select_default """
         select * from ${tableName} order by id
     """