Clear the contents of opensearch_dashboards prior to putting settings (#1780)

Author: derek-ho

.github/workflows/cypress-test-tenancy-disabled.yml

@@ -60,6 +60,7 @@ jobs:
       - name: Configure and Run OpenSearch Dashboards with Cypress Test Cases
         run: |
           cd ./OpenSearch-Dashboards
+          > ./config/opensearch_dashboards.yml  # Clear the file
           echo 'server.host: "0.0.0.0"' >> ./config/opensearch_dashboards.yml
           echo 'opensearch.hosts: ["https://localhost:9200"]' >> ./config/opensearch_dashboards.yml
           echo 'opensearch.ssl.verificationMode: none' >> ./config/opensearch_dashboards.yml

.github/workflows/cypress-test.yml

@@ -60,6 +60,7 @@ jobs:
       - name: Configure and Run OpenSearch Dashboards with Cypress Test Cases
         run: |
           cd ./OpenSearch-Dashboards
+          > ./config/opensearch_dashboards.yml  # Clear the file
           echo 'server.host: "0.0.0.0"' >> ./config/opensearch_dashboards.yml
           echo 'opensearch.hosts: ["https://localhost:9200"]' >> ./config/opensearch_dashboards.yml
           echo 'opensearch.ssl.verificationMode: none' >> ./config/opensearch_dashboards.yml