Fix input size too small to trigger zstdmt

diff --git a/tests/playTests.sh b/tests/playTests.sh
index ce1e2582ecbfa69f860d50d816b246b423f9c730..deeebee2efdf9bae688a1a551db1317c936dc1e3 100755 (executable)
--- a/tests/playTests.sh
+++ b/tests/playTests.sh
@@ -469,9 +469,9 @@ fileRoundTripTest -g500K
 if [ -n "$hasMT" ]
 then
     $ECHO "\n**** zstdmt round-trip tests **** "
-    roundTripTest -g516K "16 -T0"
-    roundTripTest -g516K "19 -T2"
-    fileRoundTripTest -g500K " -T2"
+    roundTripTest -g4M "1 -T0"
+    roundTripTest -g8M "3 -T2"
+    fileRoundTripTest -g4M "19 -T2 -B1M"
 else
     $ECHO "\n**** no multithreading, skipping zstdmt tests **** "
 fi