The phrase "a mere test" is correct and usable in written English.
It can be used to downplay the significance of a test or assessment, suggesting that it is not serious or important.
Example: "Don't worry about the results; it's just a mere test to gauge your understanding of the material."
Alternatives: "just a simple test" or "only a trivial test".
As it turns out, the retro space in northern Vermont is only Step 1 in a vaster plan: a mere test kitchen, as it were.
A cynic might call this a mere test of the platform to see if it can be rolled out across the site more widely.
As it turned out, however, the last election was a mere test run for the monetary extravaganza that is 2012.
Students preferred class activities that closely resembled their future professional duties, and evaluation methods that reflect their level of understanding of public health issues instead of being a mere test of memory.
And if we're interested in students' depth of understanding or their motivation to learn, as opposed to mere test scores, there isn't a shred of data to support a claim of superiority for countries with nationalized education systems.
As is clear from e. g. Figure 7F, it is clear that a poorly chosen model yields a worse test compared to a mere χ-test.
He contrasted that with Exchange 2007, which had a mere 5,000 test users at the same point in development.
Note that with the QPT being a mere placement test, it cannot be claimed that the QPT measures English proficiency with great accuracy, but it should certainly provide an approximate estimate for proficiency.
He distills most problems down to issues of metrics, as befitting someone sprung from the educational reform movement, with its emphasis on numerically based assessment of teachers –- sometimes ignoring the fact that teachers in low-income areas often function as social workers, with mere test scores failing to capture their impact.
Even Secretary Tillerson, a relative peacemaker, termed North Korea's mere testing of ICBMs "an unacceptable threat to us".
Minimizing risk requires a holistic approach beyond the mere testing of water from the outlet of a HWS for the presence of Pseudomonas aeruginosa or other pathogens.
