diff --git a/testdata/create-drop-databases.yaml b/testdata/create-drop-databases.yaml
index faf8ddd..0c03722 100644
--- a/testdata/create-drop-databases.yaml
+++ b/testdata/create-drop-databases.yaml
@@ -8,3 +8,4 @@ config:
 expected:
 - "/*                          */ CREATE DATABASE spawning"
 - "/*                          */ DROP DATABASE dying"
+no_second_run: true
diff --git a/testdata/new-database-with-tables.yaml b/testdata/new-database-with-tables.yaml
index 4c794de..80f7ca0 100644
--- a/testdata/new-database-with-tables.yaml
+++ b/testdata/new-database-with-tables.yaml
@@ -10,3 +10,4 @@ config:
 expected:
 - "/*                          */ CREATE DATABASE spawning"
 - "/*                 spawning */ CREATE SCHEMA spawning"
+no_second_run: true