add experimental features flag option for tests

Signed-off-by: Neetika Singhal <[email protected]>

Author: neetikasinghal

.github/opensearch-cluster/docker-compose.yml

@@ -7,7 +7,8 @@ services:
       - '9200:9200'
       - '9600:9600'
     environment:
+      - '${OPENSEARCH_EXPERIMENTAL_FEATURES}'
       - 'OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_PASSWORD:-myStrongPassword123!}'
       - discovery.type=single-node
       - path.repo=/tmp/opensearch/repo
-      - plugins.index_state_management.job_interval=1
+      - plugins.index_state_management.job_interval=1

.github/workflows/test-spec.yml

@@ -26,7 +26,10 @@ jobs:
           - {version: 1.3.17, admin_password: admin}
           - {version: 2.0.0, admin_password: admin}
           - {version: 2.15.0}
-          - {version: 2.16.0, hub: opensearchstaging, ref: '@sha256:50fbfe3b95c41e92a113ada3e80513ba4524dfc8a25dc6aaeff2bbe1e1145d5f'}
+          - version: 2.16.0
+            hub: opensearchstaging
+            ref: '@sha256:50fbfe3b95c41e92a113ada3e80513ba4524dfc8a25dc6aaeff2bbe1e1145d5f'
+            features: '-Dopensearch.experimental.feature.tiered_remote_index.enabled=true'
 
     name: test-opensearch-spec (version=${{ matrix.entry.version }}, hub=${{ matrix.entry.hub || 'opensearchproject' }})
     runs-on: ubuntu-latest
@@ -36,6 +39,7 @@ jobs:
       OPENSEARCH_DOCKER_REF: ${{ matrix.entry.ref }}
       OPENSEARCH_VERSION: ${{ matrix.entry.version }}
       OPENSEARCH_PASSWORD: ${{ matrix.entry.admin_password || 'myStrongPassword123!' }}
+      OPENSEARCH_EXPERIMENTAL_FEATURES: ${{ matrix.entry.features || ''}}
 
     steps:
       - name: Checkout Repo