test: fix flaky test-crypto-timing-safe-dqual-benchmarks

Fixes: #38226

test/pummel/test-crypto-timing-safe-equal-benchmarks.js

@@ -27,7 +27,7 @@ function runOneBenchmark(compareFunc, firstBufFill, secondBufFill, bufSize) {
 }
 
 function getTValue(compareFunc) {
-  const numTrials = 1e5;
+  const numTrials = 1e6;
   const bufSize = 10000;
   // Perform benchmarks to verify that timingSafeEqual is actually timing-safe.
 
@@ -111,7 +111,7 @@ assert(
   `timingSafeEqual should not leak information from its execution time (t=${t})`
 );
 
-// As a sanity check to make sure the statistical tests are working, run the
+// As a coherence check to make sure the statistical tests are working, run the
 // same benchmarks again, this time with an unsafe comparison function. In this
 // case the t-value should be above the threshold.
 const unsafeCompare = (bufA, bufB) => bufA.equals(bufB);