The phrase "a test required" is correct and usable in written English.
It can be used in contexts where you need to indicate that a test is necessary or mandatory for a particular situation or process.
Example: "Before you can proceed with the application, a test required to assess your qualifications must be completed."
Alternatives: "a mandatory test" or "a necessary test".
Withdrawing from a test required backing down from a commitment to one's superior, which was anathema in the Army.
Prosecutors said many of the 1,300 Argenbright workers at the Philadelphia International Airport had been hired despite failing a test required by the aviation agency, or without taking the test at all.
Only a few states, including New Jersey and Rhode Island, require wells be tested for lead – a test required when the property and well are transferred to a new owner.
They even did better when they were evaluated not with a short-answer test but with a test requiring them to draw a concept map from memory.
He wrote: "This is a test, requiring rapt concentration and acute attention, and repaying a hundredfold.
Mixer operation during a test requires the regulation of its internal pressure, exit mass flow, and exit temperature.
A test requiring 25 standard deviations will invalidate the Higgs Boson find, and probably of other particles, too.
During three sessions in the same room, the researchers asked 12 participants to complete a test requiring sustained attention.
Some questions are taken directly from the New York State Trooper entrance exam, a test requiring a driver's license and at least two years of college.
Getting ready for a dance class or preparing to take a test require careful preparation and the unpredictable nature of diabetes means that I can do everything right and still experience a dangerous high or low blood sugar.
Such a test requires a gene specific variance estimate in the denominator of the standardized difference, which cannot easily be derived from the available data.
