Use clearly defined project for tests to avoid scanning the 2000 typeshed files all the time

test/completion/on_import.py

@@ -23,11 +23,9 @@ def builtin_test():
 import sqlite3
 
 # classes is a local module that has an __init__.py and can therefore not be
-# found. test can be found.
+# found.
 #? []
 import classes
-#? ['test']
-import test
 
 #? ['timedelta']
 from datetime import timedel