bug #26170 [PHPUnit bridge] Avoid running the remove command without any packages (stof)
bug #26170 [PHPUnit bridge] Avoid running the remove command without any packages (stof)

This PR was merged into the 3.4 branch.

Discussion
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[PHPUnit bridge] Avoid running the remove command without any packages

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes/no
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

As the exit code of the command was not checked, the failure was not breaking things, but it was still printing a confusing error message.
This does not apply to versions older than 3.4, as it was impossible to set `SYMFONY_PHPUNIT_REMOVE` to an empty string before (it was applying the default removing rules instead in such case)

Commits
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34d2781 Avoid running the remove command without any packages

teohhanhui/symfony,weaverryan/symfony,pamil/symfony,jderusse/symfony,deguif/symfony,zcodes/symfony,derrabus/symfony,Koc/symfony,docteurklein/symfony,HeahDude/symfony,mpdude/symfony,michaelperrin/symfony,joelwurtz/symfony,HeahDude/symfony,d-ph/symfony,kbond/symfony,Tobion/symfony,shieldo/symfony,deguif/symfony,kbond/symfony,d-ph/symfony,michaelperrin/symfony,jean-gui/symfony,Nyholm/symfony,Nyholm/symfony,romaricdrigon/symfony,MatTheCat/symfony,stof/symfony,dmaicher/symfony,sgehrig/symfony,shieldo/symfony,gonzalovilaseca/symfony,OskarStark/symfony,symfony/symfony,frankdejonge/symfony,yceruto/symfony,nasimnabavi/symfony,gimler/symfony,chalasr/symfony,ajgarlag/symfony,ragboyjr/symfony,teohhanhui/symfony,derrabus/symfony,1ed/symfony,mpdude/symfony,pierredup/symfony,Simperfit/symfony,gimler/symfony,nasimnabavi/symfony,chalasr/symfony,derrabus/symfony,docteurklein/symfony,gnat42/symfony,sroze/symfony,gonzalovilaseca/symfony,Einenlum/symfony,ro0NL/symfony,pamil/symfony,ro0NL/symfony,fabpot/symfony,Deamon/symfony,fabpot/symfony,Pierstoval/symfony,arjenm/symfony,weaverryan/symfony,ogizanagi/symfony,sroze/symfony,maidmaid/symfony,OskarStark/symfony,pamil/symfony,garak/symfony,c960657/symfony,Tobion/symfony,jderusse/symfony,yceruto/symfony,ogizanagi/symfony,zerkms/symfony,voronkovich/symfony,arjenm/symfony,hhamon/symfony,nicolas-grekas/symfony,lyrixx/symfony,symfony/symfony,Slamdunk/symfony,mpdude/symfony,Taluu/symfony,andreia/symfony,smatyas/symfony,weaverryan/symfony,Deamon/symfony,gnat42/symfony,phramz/symfony,andrerom/symfony,romaricdrigon/symfony,andrerom/symfony,nicolas-grekas/symfony,maidmaid/symfony,pyrech/symfony,voronkovich/symfony,nasimnabavi/symfony,Simperfit/symfony,MatTheCat/symfony,localheinz/symfony,gonzalovilaseca/symfony,Pierstoval/symfony,fabpot/symfony,hhamon/symfony,arjenm/symfony,Pierstoval/symfony,localheinz/symfony,smatyas/symfony,teohhanhui/symfony,sgehrig/symfony,nicolas-grekas/symfony,jean-gui/symfony,romaricdrigon/symfony,paradajozsef/symfony,frankdejonge/symfony,michaelperrin/symfony,jderusse/symfony,phramz/symfony,e-moe/symfony,alekitto/symfony,mweimerskirch/symfony,e-moe/symfony,Taluu/symfony,Einenlum/symfony,c960657/symfony,Koc/symfony,andreia/symfony,c960657/symfony,mweimerskirch/symfony,zerkms/symfony,yceruto/symfony,tgalopin/symfony,Koc/symfony,damienalexandre/symfony,Simperfit/symfony,oleg-andreyev/symfony,vincentaubert/symfony,curry684/symfony,zcodes/symfony,ogizanagi/symfony,xabbuh/symfony,xabbuh/symfony,mnapoli/symfony,michaelperrin/symfony,hacfi/symfony,kbond/symfony,ro0NL/symfony,mweimerskirch/symfony,Taluu/symfony,chalasr/symfony,derrabus/symfony,jvasseur/symfony,voronkovich/symfony,smatyas/symfony,jvasseur/symfony,paradajozsef/symfony,zorn-v/symfony,garak/symfony,1ed/symfony,docteurklein/symfony,deguif/symfony,jakzal/symfony,pierredup/symfony,maidmaid/symfony,sgehrig/symfony,HeahDude/symfony,phramz/symfony,tgalopin/symfony,andreia/symfony,Tobion/symfony,phramz/symfony,damienalexandre/symfony,Einenlum/symfony,damienalexandre/symfony,tgalopin/symfony,MatTheCat/symfony,gonzalovilaseca/symfony,sroze/symfony,zcodes/symfony,lstrojny/symfony,ajgarlag/symfony,alekitto/symfony,frankdejonge/symfony,joelwurtz/symfony,pierredup/symfony,Pierstoval/symfony,dmaicher/symfony,jvasseur/symfony,damienalexandre/symfony,mpdude/symfony,tucksaun/symfony,Koc/symfony,gimler/symfony,zerkms/symfony,c960657/symfony,sroze/symfony,pyrech/symfony,apetitpa/symfony,sgehrig/symfony,pyrech/symfony,gimler/symfony,jvasseur/symfony,zorn-v/symfony,deguif/symfony,Slamdunk/symfony,localheinz/symfony,lstrojny/symfony,Deamon/symfony,e-moe/symfony,1ed/symfony,Tobion/symfony,Simperfit/symfony,bendavies/symfony,mnapoli/symfony,romaricdrigon/symfony,paradajozsef/symfony,garak/symfony,vincentaubert/symfony,vincentaubert/symfony,lstrojny/symfony,arjenm/symfony,iltar/symfony,MatTheCat/symfony,jean-gui/symfony,ragboyjr/symfony,hacfi/symfony,mnapoli/symfony,lyrixx/symfony,Taluu/symfony,oleg-andreyev/symfony,pamil/symfony,jakzal/symfony,mnapoli/symfony,OskarStark/symfony,fabpot/symfony,ragboyjr/symfony,mweimerskirch/symfony,curry684/symfony,ajgarlag/symfony,apetitpa/symfony,jakzal/symfony,andrerom/symfony,docteurklein/symfony,stof/symfony,iltar/symfony,apetitpa/symfony,vincentaubert/symfony,xabbuh/symfony,hhamon/symfony,voronkovich/symfony,andrerom/symfony,Nyholm/symfony,garak/symfony,hhamon/symfony,OskarStark/symfony,teohhanhui/symfony,Slamdunk/symfony,ajgarlag/symfony,nicolas-grekas/symfony,d-ph/symfony,curry684/symfony,Simperfit/symfony,joelwurtz/symfony,jakzal/symfony,Deamon/symfony,iltar/symfony,bendavies/symfony,mnapoli/symfony,bendavies/symfony,lyrixx/symfony,smatyas/symfony,chalasr/symfony,Nyholm/symfony,joelwurtz/symfony,alekitto/symfony,lyrixx/symfony,pyrech/symfony,hacfi/symfony,docteurklein/symfony,Einenlum/symfony,HeahDude/symfony,bendavies/symfony,ragboyjr/symfony,symfony/symfony,nasimnabavi/symfony,d-ph/symfony,shieldo/symfony,jderusse/symfony,mweimerskirch/symfony,andreia/symfony,zerkms/symfony,tgalopin/symfony,paradajozsef/symfony,alekitto/symfony,frankdejonge/symfony,zcodes/symfony,symfony/symfony,dmaicher/symfony,oleg-andreyev/symfony,e-moe/symfony,tucksaun/symfony,pierredup/symfony,xabbuh/symfony,weaverryan/symfony,kbond/symfony,maidmaid/symfony,gnat42/symfony,stof/symfony,localheinz/symfony,gnat42/symfony,1ed/symfony,stof/symfony,dmaicher/symfony,ogizanagi/symfony,apetitpa/symfony,zorn-v/symfony,jean-gui/symfony,zorn-v/symfony,oleg-andreyev/symfony,yceruto/symfony,tucksaun/symfony,Slamdunk/symfony,Deamon/symfony,curry684/symfony,shieldo/symfony,smatyas/symfony,tucksaun/symfony,ro0NL/symfony,iltar/symfony