test(modelql): increase the factor for acceptable performance in flowBasedFilterPerformance

The largest observed factor in CI was about 300.

Author: Oleksandr Dzhychko

modelql-core/src/jvmTest/kotlin/org/modelix/modelql/core/PerformanceTests.kt

@@ -38,7 +38,7 @@ class PerformanceTests {
         val query = buildMonoQuery<Int, Int> { it.filter { it.equalTo(0) } }
         val intRange = 1..10000
 
-        compareBenchmark(30, 150.0, {
+        compareBenchmark(30, 400.0, {
             query.asStream(QueryEvaluationContext.EMPTY, intRange.asObservable().asStepStream(null)).count().getSynchronous()
         }, {
             intRange.asFlow().filter { it == 0 }.count()