use the right image

Author: ordian

.gitlab/pipeline/zombienet/polkadot.yml

@@ -9,13 +9,15 @@
     - export ZOMBIENET_INTEGRATION_TEST_IMAGE="${POLKADOT_IMAGE}":${PIPELINE_IMAGE_TAG}
     - export ZOMBIENET_INTEGRATION_TEST_SECONDARY_IMAGE="docker.io/parity/polkadot:${BUILD_RELEASE_VERSION}"
     - export COL_IMAGE="${COLANDER_IMAGE}":${PIPELINE_IMAGE_TAG}
+    - export TEST_PARACHAIN_IMAGE="docker.io/paritypr/test-parachain:${DOCKER_IMAGES_VERSION}"
     - export MALUS_IMAGE="${MALUS_IMAGE}":${PIPELINE_IMAGE_TAG}
     - echo "Zombienet Tests Config"
     - echo "gh-dir ${GH_DIR}"
     - echo "local-dir ${LOCAL_DIR}"
     - echo "polkadot image ${ZOMBIENET_INTEGRATION_TEST_IMAGE}"
     - echo "polkadot secondary image ${ZOMBIENET_INTEGRATION_TEST_SECONDARY_IMAGE}"
     - echo "colander image ${COL_IMAGE}"
+    - echo "test parachain image ${TEST_PARACHAIN_IMAGE}"
     - echo "malus image ${MALUS_IMAGE}"
   stage: zombienet
   image: "${ZOMBIENET_IMAGE}"

polkadot/zombienet_tests/functional/0005-parachains-disputes-past-session.toml

@@ -42,5 +42,5 @@ cumulus_based = true
   name = "collator"
   command = "test-parachain"
   validator = true
-  image = "{{COL_IMAGE}}"
+  image = "{{TEST_PARACHAIN_IMAGE}}"
   args = ["-lparachain=debug"]