feat(client-iam): Add v2 smoke tests and smithy smokeTests trait for SDK testing.

Author: awstools

codegen/sdk-codegen/aws-models/iam.json

@@ -7686,6 +7686,21 @@
           }
         ],
         "smithy.api#suppress": ["WaitableTraitInvalidErrorType"],
+        "smithy.test#smokeTests": [
+          {
+            "id": "GetUserFailure",
+            "params": {
+              "UserName": "fake_user"
+            },
+            "vendorParams": {
+              "region": "us-east-1"
+            },
+            "vendorParamsShape": "aws.test#AwsVendorParams",
+            "expect": {
+              "failure": {}
+            }
+          }
+        ],
         "smithy.waiters#waitable": {
           "UserExists": {
             "acceptors": [
@@ -10900,7 +10915,20 @@
           "outputToken": "Marker",
           "items": "Users",
           "pageSize": "MaxItems"
-        }
+        },
+        "smithy.test#smokeTests": [
+          {
+            "id": "ListUsersSuccess",
+            "params": {},
+            "vendorParams": {
+              "region": "us-east-1"
+            },
+            "vendorParamsShape": "aws.test#AwsVendorParams",
+            "expect": {
+              "success": {}
+            }
+          }
+        ]
       }
     },
     "com.amazonaws.iam#ListUsersRequest": {