fix test

Author: David Hasani

plugins/amazonq/codetransform/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codemodernizer/client/GumbyClient.kt

@@ -148,7 +148,7 @@ class GumbyClient(private val project: Project) {
         var result: CodeWhispererRuntimeResponse? = null
         try {
             result = apiCall()
-            LOG.info { "$apiName request ID: ${result.responseMetadata().requestId()}" }
+            LOG.info { "$apiName request ID: ${result.responseMetadata()?.requestId()}" }
             return result
         } catch (e: Exception) {
             LOG.error(e) { "$apiName failed: ${e.message}" }