Global php and phpunit not working out of the box

[sm11963]

Repro

1. Set up workspace with only global php and global phpunit
2. Run extension with default settings

Outcome

Empty command is run.

Task tab:

 *  Executing task:  --colors=always --filter 'MathExpressionTest' '/Users/smiller/projects/bga/bga-mars/modules/tests/MathExpressionTest.php' 

zsh:1: command not found: --colors=always

 *  The terminal process "/bin/zsh '-l', '-c', ' --colors=always --filter 'MathExpressionTest' '/Users/smiller/projects/bga/bga-mars/modules/tests/MathExpressionTest.php''" failed to launch (exit code: 127). 
 *  Terminal will be reused by tasks, press any key to close it. 

Output tab:

Running phpunit with driver: Composer
 --colors=always --filter 'MathExpressionTest' '/Users/smiller/projects/bga/bga-mars/modules/tests/MathExpressionTest.php'

Expected outcome

PhpUnit is executed with global php and phpunit

Logs / output / settings

Provided above, all default settings.

Environment	Values
Extension version	4.16.1
Operating system	MacOs 14.6.1