Use unique index for TestKubernetesJournaldInputOtel (#11316)

(cherry picked from commit efafc2a)

Author: belimawr

testing/integration/k8s/journald_test.go

@@ -186,8 +186,8 @@ func TestKubernetesJournaldInputOtel(t *testing.T) {
 		info.ESClient,
 		kCtx,
 		steps,
-		fmt.Sprintf("logs-generic.otel-%s", namespace),
-		"body.structured.input.type",
+		namespace,
+		"Body.input.type",
 		"journald")
 }
 

testing/integration/k8s/testdata/journald-otel.yml

@@ -24,8 +24,11 @@ processors:
 
 exporters:
   elasticsearch:
+    logs_index: "${EA_POLICY_NAMESPACE}"
     endpoint: "${ES_HOST}"
     api_key: "${ES_API_KEY_ENCODED}"
+    mapping:
+      mode: none
 
 service:
   pipelines: