⚡ Refine regex pattern caching in TestFolderPathPattern

- Increased pattern cache size to 500 entries.
- Refactored resolveGroups to minimize lock contention by compiling
  patterns outside of the synchronized block.
- Verified all necessary imports.

Co-authored-by: RoiSoleil <3462260+RoiSoleil@users.noreply.github.com>

Author: google-labs-jules[bot]

org.moreunit.core/src/org/moreunit/core/matching/TestFolderPathPattern.java

@@ -21,7 +21,7 @@
 
 public class TestFolderPathPattern
 {
-    private static final Map<String, Pattern> PATTERN_CACHE = new LRUCache<String, Pattern>(50);
+    private static final Map<String, Pattern> PATTERN_CACHE = new LRUCache<String, Pattern>(500);
 
     public static final String SRC_PROJECT_VARIABLE = "${srcProject}";
 
@@ -207,9 +207,13 @@ private String resolveGroups(String path, String tplWithGroups, String tplWithRe
         synchronized (PATTERN_CACHE)
         {
             pattern = PATTERN_CACHE.get(tplWithGroups);
-            if(pattern == null)
+        }
+
+        if(pattern == null)
+        {
+            pattern = Pattern.compile(tplWithGroups);
+            synchronized (PATTERN_CACHE)
             {
-                pattern = compile(tplWithGroups);
                 PATTERN_CACHE.put(tplWithGroups, pattern);
             }
         }