"actual testing" is a correct and usable phrase in written English.
You can use it to refer to the process of testing something in a real or practical way. For example, "The success of the project depended on the actual testing of the new product."
It might sound great overall, but during actual testing the service failed to impress me.
This group only builds the automated test systems – they don't do the actual testing.
The findings indicate that substantial gaps exist between national guidelines for testing and actual testing practices.
Delivered concentrations were confirmed by gas chromatography before and during actual testing.
Numerical PWFB modelling is preferred in the design stages prior to actual testing.
The companies also said they did not need a license because the actual testing of the DNA samples was being done by outside laboratories that did have licenses.
The results obtained show that the predicted fatigue life based on the model agreed with actual testing.
It has been a complex task to develop an optimized process without actual testing which usually requires costly test procedures.
However, considerably less is known about the underlying neuro-cognitive processes that are involved in the initial testing phase, and thus underlies the actual testing effect.
Overall, the researchers' analysis showed that their optimized policy would have yielded more information than did the actual testing regimen that clinicians followed.
But Sharon Murphy said her former partner had used an website that farmed out the actual testing to a third party laboratory and then wrote "horribly untrue things under the guise of 'analysis'".
