diff --git a/master/bt5/vifib_slapos_rest_api_v1_test/TestTemplateItem/testVifibSlaposRestAPIV1.py b/master/bt5/vifib_slapos_rest_api_v1_test/TestTemplateItem/testVifibSlaposRestAPIV1.py
index 0a8aec850c3270a5c5ae938c6a3ef6cf28e5ae3d..24491ab13e91d6dcf026b46077604902f511dd53 100644
--- a/master/bt5/vifib_slapos_rest_api_v1_test/TestTemplateItem/testVifibSlaposRestAPIV1.py
+++ b/master/bt5/vifib_slapos_rest_api_v1_test/TestTemplateItem/testVifibSlaposRestAPIV1.py
@@ -250,7 +250,7 @@ class TestInstanceRequest(VifibSlaposRestAPIV1Mixin):
     self.assertResponseCode(400)
     self.assertResponseJson()
     self.assertEqual({
-        "slave": "Not boolean.",
+        "slave": "unicode is not bool.",
         },
       self.json_response)
     self.assertPersonRequestSimulatorEmpty()
@@ -752,5 +752,5 @@ class TestInstancePOSTbang(VifibSlaposRestAPIV1BangMixin):
     self.assertBasicResponse()
     self.assertResponseCode(400)
     self.assertResponseJson()
-    self.assertEqual({'log': 'Not a string.'}, self.json_response)
+    self.assertEqual({'log': 'bool is not unicode.'}, self.json_response)
     self.assertInstanceBangSimulatorEmpty()
diff --git a/master/bt5/vifib_slapos_rest_api_v1_test/bt/revision b/master/bt5/vifib_slapos_rest_api_v1_test/bt/revision
index 368f89ceef179cc546403ac0d5ef1d0e4b340447..d99e90eb9675f72290ba32fbf844c1cb45c72718 100644
--- a/master/bt5/vifib_slapos_rest_api_v1_test/bt/revision
+++ b/master/bt5/vifib_slapos_rest_api_v1_test/bt/revision
@@ -1 +1 @@
-28
\ No newline at end of file
+29
\ No newline at end of file