fix(Elasticsearch Node): Fix issue with self signed certificates (#9805)

packages/nodes-base/credentials/ElasticsearchApi.credentials.ts

@@ -51,14 +51,14 @@ export class ElasticsearchApi implements ICredentialType {
 				username: '={{$credentials.username}}',
 				password: '={{$credentials.password}}',
 			},
-			skipSslCertificateValidation: '={{$credentials.ignoreSSLIssues}}',
 		},
 	};
 
 	test: ICredentialTestRequest = {
 		request: {
 			baseURL: '={{$credentials.baseUrl}}',
 			url: '/_xpack?human=false',
+			skipSslCertificateValidation: '={{$credentials.ignoreSSLIssues}}',
 		},
 	};
 }