feat: Added IAM integration tests

cmd/versitygw/admin.go

@@ -289,11 +289,14 @@ func listUsers(ctx *cli.Context) error {
 	}
 	defer resp.Body.Close()
 
+	if resp.StatusCode >= 400 {
+		return fmt.Errorf("%s", body)
+	}
+
 	var accs []auth.Account
 	if err := json.Unmarshal(body, &accs); err != nil {
 		return err
 	}
-	fmt.Println(accs)
 
 	printAcctTable(accs)
 
@@ -402,7 +405,7 @@ func listBuckets(ctx *cli.Context) error {
 	defer resp.Body.Close()
 
 	if resp.StatusCode >= 400 {
-		return fmt.Errorf(string(body))
+		return fmt.Errorf("%s", body)
 	}
 
 	var buckets []s3response.Bucket

cmd/versitygw/test.go

@@ -79,6 +79,11 @@ func initTestCommands() []*cli.Command {
 			Usage:  "Tests posix specific features",
 			Action: getAction(integration.TestPosix),
 		},
+		{
+			Name:   "iam",
+			Usage:  "Tests iam service",
+			Action: getAction(integration.TestIAM),
+		},
 		{
 			Name:  "bench",
 			Usage: "Runs download/upload performance test on the gateway",