api test changes for docker (#668)

* api test changes for docker

* Update test_server.py

Updated Elastic agent version assertion

Author: rishagg01

testing/tests/api_tests/cluster/test_server.py

@@ -47,7 +47,9 @@ def test_host_search(es_host, es_port, username, password):
     assert ".ds-metrics-system.cpu-default" in data[rootKey]["hits"][0]["_index"]
     assert ".ds-metrics-system.cpu-default" in data[rootKey]["hits"][0]["_index"]    
     #assert (data[rootKey]["hits"][0]["_source"]["agent"]["name"] == "ubuntu-vm")    
-    assert (data[rootKey]["hits"][0]["_source"]["agent"]["version"] == "8.15.5")   
+
+    assert (data[rootKey]["hits"][0]["_source"]["agent"]["version"] == "8.15.3")   
+
     assert (data[rootKey]["hits"][0]["_source"]["data_stream"]["dataset"] == "system.cpu") 
     assert (data[rootKey]["hits"][0]["_source"]["ecs"]["version"] == "8.0.0") 
     assert (data[rootKey]["hits"][0]["_source"]["elastic_agent"]["version"] == "8.15.5") 
@@ -353,4 +355,4 @@ def test_elastic_indices(es_host, es_port, username, password):
     assert ("open .ds-logs-endpoint.events.network-default" in response.text)          
     assert ("open .ds-logs-endpoint.events.file-default" in response.text)              
     assert ("open wazuh-alerts-4.x" in response.text)                                            
-    assert ("open .ds-metrics-elastic_agent.elastic_agent" in response.text)                                                                    
+    assert ("open .ds-metrics-elastic_agent.elastic_agent" in response.text)