"as a trial for" is a correct and usable phrase in written English.
It is typically used to indicate that something is being done as a test or initial attempt. Example: I decided to take on a part-time job as a trial for my potential career in finance.
Merck slid 6.6 percent, as a trial for a blood-thinner drug was halted.
Okoye understood that it worked as a trial for underrated players not expected to feature in the draft.
One new contest proposed is a handicap chase run over three miles and seven furlongs, with a view to serving as a trial for the Grand National.
Each of these cases will be watched carefully and are seen by some as a trial for Mr. Chaudhry, whatever he decides.
Under the deal — positioned as a trial for now — the food merchant will use Flux to power paperless receipts across all 72 of its U.K. stores.
It's hard not to see Super Mario Run as a trial for Nintendo itself, as the company looks toward future economic models and tries to determine just how large a role mobile will play.
If the same conditions remain for the second day, batting is likely to be as much a trial for England as it was for the tourists: this has the makings of a titanic struggle.
Mr. Nichols escaped on March 11 , 2005 as he was being escorted to a trial for rape.
A trial for approval as an early-stage diagnostic tool would take too long, they said.
So, with the best of intentions, she convinces her husband, Paul, that they should foster a child for a few weeks over the summer, as a trial run for long-term adoption.
In anticipation for the storm, the Massachusetts Emergency Management Agency was activated as a trial run for the hurricane season.
