The phrase "a more severe test" is correct and usable in written English.
It can be used when comparing the intensity or difficulty of a test to another, indicating that the current test is harsher or more challenging.
Example: "The final exam was a more severe test of our knowledge than the midterm."
Alternatives: "a tougher assessment" or "a harsher evaluation".
But Tuesday, his knee will receive a more severe test.
The plastic wedge crush was a more severe test than the flat plate crush with a prismatic format cell.
The shear test with reduced height is a more severe test beyond the JEDEC test to verify the bump robustness.
Tonight's Bundesliga curtain-raiser, away to fourth-placed Hamburg, will be a more severe test for the eternal champions but Philipp Lahm is already convinced that his side are unstoppable domestically.
Piano Sonata in B flat Op 106 In its sheer scale, density of thought and technical requirements, the Hammerklavier presents a more severe test of a pianist's capabilities than any other of Beethoven's 32 piano sonatas.
That involved a switch to smaller fighting units that he said would be nimbler and more effective than larger ones favored in the past — an approach that saw early success in Afghanistan but has faced a more severe test in Iraq.
Like some members of Congress, they have demanded that the players union agree to a more severe testing and disciplinary program.
Pisi added the conversion to the try, which came after a little more than a minute, leaving Wales with an even more severe test of character than they had taken to the field with.
In recent years, with the rapid development of network technology, the formation of a high concentration of data stored in the network environment, the simplified data management, improve operational efficiency, reduce the cost of investment at the same time, the data security is experiencing more severe test.
In Example 2, a more severe discontinuous test function is given: r(t)=textstylebegin{cases} -t^{2},&tin [ 0,frac{1}{4} ), t^{2},&tin [ frac{1}{4},frac{1}{2} ]. end{cases}.
