Fix test cases

Author: davidh44

test/protocol-tests-core/src/main/resources/software/amazon/awssdk/protocol/suites/cases/json-querycompatible-output.json

@@ -12,7 +12,7 @@
       }
     },
     "when": {
-      "action": "unmarshall",
+      "action": "errorUnmarshall",
       "operation": "QueryCompatibleOperation",
       "error": "NoCustomCodeError"
     },
@@ -36,9 +36,9 @@
       }
     },
     "when": {
-      "action": "unmarshall",
+      "action": "errorUnmarshall",
       "operation": "QueryCompatibleOperation",
-      "error": "Customized"
+      "error": "CustomCodeError"
     },
     "then": {
       "deserializedAs": {

test/protocol-tests-core/src/main/resources/software/amazon/awssdk/protocol/suites/cases/smithy-rpcv2-querycompatible-output.json

@@ -13,7 +13,7 @@
       }
     },
     "when": {
-      "action": "unmarshall",
+      "action": "errorUnmarshall",
       "operation": "QueryCompatibleOperation",
       "error": "NoCustomCodeError"
     },
@@ -38,9 +38,9 @@
       }
     },
     "when": {
-      "action": "unmarshall",
+      "action": "errorUnmarshall",
       "operation": "QueryCompatibleOperation",
-      "error": "Customized"
+      "error": "CustomCodeError"
     },
     "then": {
       "deserializedAs": {