Add missing component 'TesterClient' to services.xml
<component id="com.yahoo.vespa.config.server.rpc.RpcRequestHandlerProvider" bundle="configserver" />
<component id="com.yahoo.vespa.config.server.rpc.security.DummyNodeIdentifierProvider" bundle="configserver" />
<component id="com.yahoo.vespa.config.server.rpc.security.DefaultRpcAuthorizerProvider" bundle="configserver" />
+ <component id="com.yahoo.vespa.config.server.http.TesterClient" bundle="configserver" />
<components>
<include dir="config-models" />
