PLUGIN-1823: Updated error message as per the suggestion

Author: Sanchit Garg

database-commons/src/main/java/io/cdap/plugin/util/RetryUtils.java

@@ -104,11 +104,11 @@ private static RuntimeException unwrapFailsafeException(Exception e,
             if (cause instanceof SQLException) {
                 return dbErrorDetailsProvider.getProgramFailureException((SQLException) cause, null);
             } else if (cause instanceof RuntimeException) {
-                return (RuntimeException) cause;
+                return new RuntimeException("Operation failed with error", cause);
             } else if (cause instanceof Error) {
-                return new RuntimeException("Failsafe wrapped an Error", cause);
+                return new RuntimeException("Operation failed with error", cause);
             } else {
-                return new RuntimeException("Failsafe wrapped a non-runtime exception", cause);
+                return new RuntimeException("Operation failed", cause);
             }
         }
         if (e instanceof SQLException) {