The phrase "allowed to test out" is correct and usable in written English.
It can be used when referring to permission granted to someone to try or experiment with something, often in a context of evaluating or assessing it.
Example: "Students are allowed to test out different software programs before making a final decision on which one to use for their projects."
Alternatives: "permitted to try" or "authorized to experiment".
Last year, he drove the experimental Delta Wing car that the A.C.O. had allowed to test out new, clean racing technologies.
As with some of the other ideas Edgar Box was allowed to test out on the page in the early nineteen-fifties, Peter Sargeant II has a few opinions along these lines that predate the critical essays Vidal would later write.
Game publishers Zynga and Kixeye had already been allowed to test out the feature.
In addition to organizing the components on the site for easy discovery, mobile app developers are allowed to test out the components in a 30-day free trial.
I'm happy with that, because it's also allowed us to test out that market, and that will enable us to take this sales model into other countries, like QVC Canada or QVC UK.
Amazon is shutting down TestDrive, one of the differentiating features of the Amazon Appstore which allowed consumers to test out new applications ahead of purchase.
Their demise allowed Pietersen to test out his troublesome knee in the middle, and the right-hander showed no serious ill-effects from the cortisone injection he had earlier in the week.
This app, which allowed users to test out the new features ahead of the full market release, also included support for other, newer upgrades like the ability to edit articles from your smartphone, plus support for Wikipedia Zero (a service where select mobile operators waive data charges) and other features that launched first on iOS back in July.
The supportive trial environments allowed patients to test out and discuss new monitoring and management strategies.
And the company can also provide another eco-friendly benefit: allowing drivers to test out an electric car like the Tesla S before they choose to purchase it.
Handley says this software will allow people to test out designs for tattoos that they are thinking of getting, or will simply allow a new level of self-expression for people who don't want the real thing.
