diff --git a/tests/templates/167-double-is-not-null.sql b/tests/templates/167-double-is-not-null.sql
new file mode 100644
index 0000000..68baa98
--- /dev/null
+++ b/tests/templates/167-double-is-not-null.sql
@@ -0,0 +1,2 @@
+select count(*) from nulls where double_6 is not null
+49
diff --git a/tests/templates/168-double-is-not-99.sql b/tests/templates/168-double-is-not-99.sql
new file mode 100644
index 0000000..8d27d63
--- /dev/null
+++ b/tests/templates/168-double-is-not-99.sql
@@ -0,0 +1,2 @@
+select count(*) from nulls where double_6 is not 99.0
+98