Expect fewer than MAX_CONCURRENCY threads in test

Change-Id: I4346b6d79b46bccb5b79e27744c3cf80aa88fc9a
Reviewed-on: https://gerrit.libreoffice.org/26344
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Ashod Nakashian <ashnakash@gmail.com>
diff --git a/comphelper/qa/unit/threadpooltest.cxx b/comphelper/qa/unit/threadpooltest.cxx
index a90d5b0..388dffa 100644
--- a/comphelper/qa/unit/threadpooltest.cxx
+++ b/comphelper/qa/unit/threadpooltest.cxx
@@ -31,7 +31,7 @@ void ThreadPoolTest::testPreferredConcurrency() {
    // Check default.
    auto nThreads = comphelper::ThreadPool::getPreferredConcurrency();
    sal_Int32 nExpected = 4; // UTs are capped to 4.
    CPPUNIT_ASSERT_EQUAL(nExpected, nThreads);
    CPPUNIT_ASSERT_MESSAGE("Expected no more than 4 threads", nExpected >= nThreads);

#ifndef _WIN32_WINNT
    // The result should be cached, so this should change anything.