Updating errors and tests

Author: devfernandoa

analysis/semantic/__pycache__/nodes.cpython-313.pyc

@@ -1,2 +1,5 @@
-let files: string = !(ls);
-echo(files);
+let name: string = "error";
+let name:  string = "error";
+
+let name: string = "error";
+let @name:  string = "error";

analysis/semantic/test.ash

@@ -1 +1,5 @@
-let $name: string = "error";
+let name: string = "error";
+let name:  string = "error";
+
+let name: string = "error";
+let @name:  string = "error";