diff --git a/tests/lib/README.md b/tests/lib/README.md
index 1c2b188d84..0384cd2ff0 100644
--- a/tests/lib/README.md
+++ b/tests/lib/README.md
@@ -10,7 +10,7 @@ Folder for libs and tooling for automatic testing.
   
 - file_handler.py - class to download test data from GDrive
     - downloads data from (list) of files from GDrive
-    - checks md5 if file ok
+    - check file integrity with MD5 hash
     - unzips if zip
     
 - testing_wrapper.py - base class to use for testing
@@ -34,11 +34,11 @@ Currently it is expected that test file will be zip file with structure:
 - expected - expected files (not implemented yet)
 - input
     - data - test data (workfiles, images etc)
-    - dumps - folder for BSOn dumps from (`mongodump`)
+    - dumps - folder for BSON dumps from (`mongodump`)
     - env_vars 
         env_vars.json - dictionary with environment variables {key:value}
         
-    - sql - sql files to load with `mongoimport` (human readable)
+    - json - json files to load with `mongoimport` (human readable)
     
 
 Example
diff --git a/tests/lib/db_handler.py b/tests/lib/db_handler.py
index c38f351b76..9be70895da 100644
--- a/tests/lib/db_handler.py
+++ b/tests/lib/db_handler.py
@@ -19,9 +19,9 @@ class DBHandler:
         if host:
             if all([user, password]):
                 host = "{}:{}@{}".format(user, password, host)
-            uri = 'mongodb://{}:{}'.format(host, port or 27017)
+            self.uri = 'mongodb://{}:{}'.format(host, port or 27017)
 
-        assert uri, "Must have uri to MongoDB"
+        assert self.uri, "Must have uri to MongoDB"
         self.client = pymongo.MongoClient(uri)
         self.db = None
 
diff --git a/tests/lib/testing_wrapper.py b/tests/lib/testing_wrapper.py
index a389741ce3..b2a89edec7 100644
--- a/tests/lib/testing_wrapper.py
+++ b/tests/lib/testing_wrapper.py
@@ -88,7 +88,7 @@ class TestCase:
             all_vars.update(vars(TestCase))  # TODO check
             value = value.format(**all_vars)
             print("Setting {}:{}".format(key, value))
-            monkeypatch_session.setenv(key, value)
+            monkeypatch_session.setenv(key, str(value))
         import openpype
 
         openpype_root = os.path.dirname(os.path.dirname(openpype.__file__))