Fixes usage of custom images in the overrides test (#514)

Author: lfrancke

tests/templates/kuttl/overrides/10-install-airflow.yaml.j2

@@ -37,7 +37,12 @@ metadata:
   name: airflow-celery
 spec:
   image:
+{% if test_scenario['values']['airflow-latest'].find(",") > 0 %}
+    custom: "{{ test_scenario['values']['airflow-latest'].split(',')[1] }}"
+    productVersion: "{{ test_scenario['values']['airflow-latest'].split(',')[0] }}"
+{% else %}
     productVersion: "{{ test_scenario['values']['airflow-latest'] }}"
+{% endif %}
   clusterConfig:
     loadExamples: true
     exposeConfig: false

tests/templates/kuttl/overrides/20-install-airflow2.yaml.j2

@@ -5,7 +5,12 @@ metadata:
   name: airflow-kubernetes
 spec:
   image:
+{% if test_scenario['values']['airflow-latest'].find(",") > 0 %}
+    custom: "{{ test_scenario['values']['airflow-latest'].split(',')[1] }}"
+    productVersion: "{{ test_scenario['values']['airflow-latest'].split(',')[0] }}"
+{% else %}
     productVersion: "{{ test_scenario['values']['airflow-latest'] }}"
+{% endif %}
   clusterConfig:
     loadExamples: true
     exposeConfig: false