Added toString to MethodInstance for future work

diff --git a/src/main/org/testng/internal/MethodInstance.java b/src/main/org/testng/internal/MethodInstance.java
index 2c84f91..cb41ab1 100644
--- a/src/main/org/testng/internal/MethodInstance.java
+++ b/src/main/org/testng/internal/MethodInstance.java
@@ -19,4 +19,8 @@
     return m_instances;

   }

   

+  public String toString() {

+    return "[MethodInstance m:" + m_method + " i:" + m_instances[0];

+  }

+  

 }