cli: fix failing test on macos/windows

vlib/cli/command_test.v

@@ -51,13 +51,16 @@ fn test_if_command_has_default_version_subcommand_if_version_is_set() {
 	assert has_command(cmd, 'version')
 }
 
+
+fn flag_should_be_set(cmd cli.Command) ? {
+	flag := cmd.flags.get_string('flag')?
+	assert flag == 'value'
+}
+        
 fn test_if_flag_gets_set() {
 	mut cmd := cli.Command{
 		name: 'command'
-		execute: fn (cmd cli.Command) ? {
+		execute: flag_should_be_set
-			flag := cmd.flags.get_string('flag')?
-			assert flag == 'value'
-		}
 	}
 	cmd.add_flag(cli.Flag{
 		flag: .string
@@ -69,10 +72,7 @@ fn test_if_flag_gets_set() {
 fn test_if_flag_gets_set_with_abbrev() {
 	mut cmd := cli.Command{
 		name: 'command'
-		execute: fn (cmd cli.Command) ? {
+		execute: flag_should_be_set
-			flag := cmd.flags.get_string('flag')?
-			assert flag == 'value'
-		}
 	}
 	cmd.add_flag(cli.Flag{
 		flag: .string
@@ -83,14 +83,18 @@ fn test_if_flag_gets_set_with_abbrev() {
 	cmd.parse(['command', '--flag', 'value'])
 }
 
+
+fn flag_should_have_value_of_42(cmd cli.Command) ? {
+	flag := cmd.flags.get_string('flag')?
+	assert flag == 'value'
+	value := cmd.flags.get_int('value')?
+	assert value == 42
+}
+
 fn test_if_multiple_flags_get_set() {
 	mut cmd := cli.Command{
 		name: 'command'
-		execute: fn (cmd cli.Command) ? {
+		execute: flag_should_have_value_of_42
-			flag := cmd.flags.get_string('flag')?
-			value := cmd.flags.get_int('value')?
-			assert flag == 'value' && value == 42
-		}
 	}
 	cmd.add_flag(cli.Flag{
 		flag: .string
@@ -103,6 +107,14 @@ fn test_if_multiple_flags_get_set() {
 	cmd.parse(['command', '-flag', 'value', '-value', '42'])
 }
 
+
+fn flag_is_set_in_subcommand(cmd cli.Command) ? {
+	flag := cmd.flags.get_string('flag') or {
+		panic(err)
+	}
+	assert flag == 'value'
+}
+
 fn test_if_flag_gets_set_in_subcommand() {
 	mut cmd := cli.Command{
 		name: 'command'
@@ -110,12 +122,7 @@ fn test_if_flag_gets_set_in_subcommand() {
 	}
 	mut subcmd := cli.Command{
 		name: 'subcommand'
-		execute: fn (cmd cli.Command) ? {
+		execute: flag_is_set_in_subcommand
-			flag := cmd.flags.get_string('flag') or {
-				panic(err)
-			}
-			assert flag == 'value'
-		}
 	}
 	subcmd.add_flag(cli.Flag{
 		flag: .string
@@ -137,12 +144,7 @@ fn test_if_global_flag_gets_set_in_subcommand() {
 	})
 	subcmd := cli.Command{
 		name: 'subcommand'
-		execute: fn (cmd cli.Command) {
+		execute: flag_is_set_in_subcommand
-			flag := cmd.flags.get_string('flag') or {
-				panic(err)
-			}
-			assert flag == 'value'
-		}
 	}
 	cmd.add_command(subcmd)
 	cmd.parse(['command', '-flag', 'value', 'subcommand'])