Update src/test/java/org/xerial/snappy/fuzz/SnappyCombinedFuzzer.java

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: vishalcoc44

src/test/java/org/xerial/snappy/fuzz/SnappyCombinedFuzzer.java

@@ -209,7 +209,7 @@ private static void testBlockStream(FuzzedDataProvider data) {
         runFuzz(() -> {
             byte[] original = data.consumeBytes(data.consumeInt(0, 4096));
             ByteArrayOutputStream compressedBuf = new ByteArrayOutputStream();
-            SnappyOutputStream out = new SnappyOutputStream(compressedBuf, -1);
+            SnappyOutputStream out = new SnappyOutputStream(compressedBuf, SnappyOutputStream.MIN_BLOCK_SIZE);
             out.write(original);
             out.close();
             byte[] compressed = compressedBuf.toByteArray();