1 files changed, 5 insertions, 0 deletions
diff --git a/src/main/java/design/persistence/JSONPersonalDatabase.java b/src/main/java/design/persistence/JSONPersonalDatabase.java
index 30c280a..ed83ef6 100644
--- a/src/main/java/design/persistence/JSONPersonalDatabase.java
+++ b/src/main/java/design/persistence/JSONPersonalDatabase.java
@@ -29,6 +29,11 @@ public class JSONPersonalDatabase implements PersonalDatabase {
         return INSTANCE;
     }
 
+    static JSONPersonalDatabase testInstance(String filename) {
+        INSTANCE = new JSONPersonalDatabase(filename);
+        return INSTANCE;
+    }
+
     private final Map<String, Golfer> cache;
     private final ObjectMapper mapper;
     private final File file;