fix image pull policy for the kerberos tests

Author: razvan

tests/templates/kuttl/kerberos/10-install-zk.yaml.j2

@@ -6,6 +6,7 @@ metadata:
 spec:
   image:
     productVersion: "{{ test_scenario['values']['zookeeper-latest'] }}"
+    pullPolicy: IfNotPresent
   clusterConfig:
     listenerClass: {{ test_scenario['values']['listener-class'] }}
 {% if lookup('env', 'VECTOR_AGGREGATOR') %}

tests/templates/kuttl/kerberos/11-install-hdfs.yaml.j2

@@ -19,6 +19,7 @@ commands:
       spec:
         image:
           productVersion: "{{ test_scenario['values']['hdfs-latest'] }}"
+          pullPolicy: IfNotPresent
         clusterConfig:
           zookeeperConfigMapName: hdfs-znode
           dfsReplication: 1

tests/templates/kuttl/kerberos/20-access-hdfs.yaml.j2

@@ -16,6 +16,7 @@ commands:
             containers:
               - name: access-hdfs
                 image: docker.stackable.tech/stackable/hadoop:{{ test_scenario['values']['hdfs-latest'] }}-stackable0.0.0-dev
+                imagePullPolicy: IfNotPresent
                 env:
                   - name: HADOOP_CONF_DIR
                     value: /stackable/conf/hdfs

tests/templates/kuttl/kerberos/30-install-hbase.yaml.j2

@@ -24,6 +24,7 @@ commands:
 {% else %}
           productVersion: "{{ test_scenario['values']['hbase'] }}"
 {% endif %}
+          pullPolicy: IfNotPresent
         clusterConfig:
           hdfsConfigMapName: hdfs
           zookeeperConfigMapName: hbase-znode

tests/templates/kuttl/kerberos/41-access-hbase.yaml.j2

@@ -20,6 +20,7 @@ commands:
 {% else %}
                 image: docker.stackable.tech/stackable/hbase:{{ test_scenario['values']['hbase'] }}-stackable0.0.0-dev
 {% endif %}
+                imagePullPolicy: IfNotPresent
                 env:
                   - name: HBASE_CONF_DIR
                     value: /stackable/conf/hbase