Adjust paths for impending moves to the framework

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/scripts/check_test_cases.py b/tests/scripts/check_test_cases.py
index b00319b..f1185d2 100755
--- a/tests/scripts/check_test_cases.py
+++ b/tests/scripts/check_test_cases.py
@@ -14,7 +14,7 @@
 import sys
 
 import scripts_path # pylint: disable=unused-import
-import collect_test_cases
+from mbedtls_framework import collect_test_cases
 
 
 class DescriptionChecker(collect_test_cases.TestDescriptionExplorer):