Add usage text for update-security-group. Add increased timeout in

main test.

[Finishes #74558576]

cf/commands/securitygroup/update_security_group.go

@@ -1,6 +1,8 @@
 package securitygroup
 
 import (
+	"strings"
+
 	"github.com/cloudfoundry/cli/cf/api/security_groups"
 	"github.com/cloudfoundry/cli/cf/command_metadata"
 	"github.com/cloudfoundry/cli/cf/configuration"
@@ -25,10 +27,12 @@ func NewUpdateSecurityGroup(ui terminal.UI, configRepo configuration.Reader, sec
 }
 
 func (cmd UpdateSecurityGroup) Metadata() command_metadata.CommandMetadata {
+	primaryUsage := T("CF_NAME update-security-group SECURITY_GROUP PATH_TO_JSON_RULES_FILE")
+	secondaryUsage := T("   The provided path can be an absolute or relative path to a file.\n   It should have a single array with JSON objects inside describing the rules.")
 	return command_metadata.CommandMetadata{
 		Name:        "update-security-group",
 		Description: T("Update a security group"),
-		Usage:       T("CF_NAME update-security-group SECURITY_GROUP PATH_TO_JSON_RULES_FILE"),
+		Usage:       strings.Join([]string{primaryUsage, secondaryUsage}, "\n\n"),
 	}
 }
 

integration/main_test.go

@@ -20,7 +20,7 @@ var _ = Describe("exit codes", func() {
 		result := Cf("some-command-that-should-never-actually-be-a-real-thing-i-can-use")
 
 		Eventually(result, 10).Should(Say("not a registered command"))
-		Expect(result).Should(Exit(1))
+		Eventually(result, 10).Should(Exit(1))
 	})
 })