toString() for the ConstructorOrMethod class for better error messages.
diff --git a/src/main/java/org/testng/internal/ConstructorOrMethod.java b/src/main/java/org/testng/internal/ConstructorOrMethod.java
index 8a6fa01..07e75ce 100644
--- a/src/main/java/org/testng/internal/ConstructorOrMethod.java
+++ b/src/main/java/org/testng/internal/ConstructorOrMethod.java
@@ -81,4 +81,9 @@
     return m_enabled;
   }
 
+  @Override
+  public String toString() {
+    if (m_method != null) return m_method.toString();
+    else return m_constructor.toString();
+  }
 }