tests: Sets MaximumNArgs for agnhost subcommands to 0

The subcommands rely on flags, not args. Because of this, the
cobra.MaximumNArgs should be set 0.

test/images/agnhost/logs-generator/logs_generator.go

@@ -44,7 +44,7 @@ var CmdLogsGenerator = &cobra.Command{
 	Use:   "logs-generator",
 	Short: "Outputs lines of logs to stdout uniformly",
 	Long:  "Outputs <linesTotal> lines of logs to stdout uniformly for <duration>",
-	Args:  cobra.MaximumNArgs(2),
+	Args:  cobra.MaximumNArgs(0),
 	Run:   generateLogs,
 }
 

test/images/agnhost/no-snat-test-proxy/main.go

@@ -31,7 +31,7 @@ var CmdNoSnatTestProxy = &cobra.Command{
 	Use:   "no-snat-test-proxy",
 	Short: "Creates a proxy for the /checknosnat endpoint",
 	Long:  `Creates the /checknosnat endpoint which proxies the request to the given target (/checknosnat?target=target_ip&ips=ip1,ip2) and returns its response, or a 500 response on error.`,
-	Args:  cobra.MaximumNArgs(1),
+	Args:  cobra.MaximumNArgs(0),
 	Run:   main,
 }
 

test/images/agnhost/no-snat-test/main.go

@@ -37,7 +37,7 @@ var CmdNoSnatTest = &cobra.Command{
 - /whoami - returns the request's IP address.
 - /checknosnat - queries  "ip/whoami" for each provided IP ("/checknosnat?ips=ip1,ip2"),
   and if all the response bodies match the "POD_IP" environment variable, it will return a 200 response, 500 otherwise.`,
-	Args: cobra.MaximumNArgs(1),
+	Args: cobra.MaximumNArgs(0),
 	Run:  main,
 }