sleep 10 secs + main for test

src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java

@@ -1672,6 +1672,8 @@ public final class ChronicleMapBuilder<K, V> implements
         replicated = replicationIdentifier != -1;
         persisted = true;
 
+        boolean created = false;
+
         // It's important to canonicalize the file, because CanonicalRandomAccessFiles.acquire()
         // relies on java.io.File equality, which doesn't account symlinks itself.
         final File canonicalFile = file.getCanonicalFile();
@@ -1679,7 +1681,8 @@ public final class ChronicleMapBuilder<K, V> implements
             if (recover)
                 throw new FileNotFoundException("file " + canonicalFile + " should exist for recovery");
             //noinspection ResultOfMethodCallIgnored
-            canonicalFile.createNewFile();
+            created = canonicalFile.createNewFile();
+
         }
         final RandomAccessFile raf = CanonicalRandomAccessFiles.acquire(canonicalFile);
         final ChronicleHashResources resources = new PersistedChronicleHashResources(canonicalFile);
@@ -1688,6 +1691,11 @@ public final class ChronicleMapBuilder<K, V> implements
             if (raf.length() > 0) {
                 result = openWithExistingFile(canonicalFile, raf, resources, recover, overrideBuilderConfig, corruptionListener);
             } else {
+                if (created) {
+                    System.out.println("Sleeping before lock acquisition for 10 seconds");
+
+                    Jvm.pause(10000);
+                }
 
                 // Atomic* allows lambda modification
                 final AtomicReference<VanillaChronicleMap<K, V, ?>> map = new AtomicReference<>();