Use ssl_multicert_yaml

Author: maskit

tests/gold_tests/pluginTest/jax_fingerprint/jax_fingerprint.test.py

@@ -182,7 +182,13 @@ def _configure_trafficserver(self) -> None:
         JaxFingerprintTest._ts_counter += 1
 
         self._ts.addDefaultSSLFiles()
-        self._ts.Disk.ssl_multicert_config.AddLine('dest_ip=* ssl_cert_name=server.pem ssl_key_name=server.key')
+        self._ts.Disk.ssl_multicert_yaml.AddLines(
+            """
+ssl_multicert:
+  - dest_ip: "*"
+    ssl_cert_name: server.pem
+    ssl_key_name: server.key
+""".split("\n"))
 
         if self._needs_tls:
             server_port = self._server.Variables.https_port