Update tests/test-definition.yaml

Co-authored-by: Sebastian Bernauer <sebastian.bernauer@stackable.de>

Author: xeniape

tests/test-definition.yaml

@@ -4,7 +4,7 @@ dimensions:
     values:
       # To use a custom image, add a comma and the full name after the product version
       # 0.67.1,oci.stackable.tech/sdp/opa:0.67.1-stackable0.0.0-dev
-#      - 1.4.2
+      - 1.4.2
       - 1.8.0
   - name: opa-latest
     values: