introducing a deliberate drc to test intergation precheck

mag/user_analog_project_wrapper.mag

diff --git a/mag/user_analog_project_wrapper.mag b/mag/user_analog_project_wrapper.mag
index ebc5e1b..ba93fb6 100644
--- a/mag/user_analog_project_wrapper.mag
+++ b/mag/user_analog_project_wrapper.mag
@@ -1,7 +1,10 @@
 magic
 tech sky130A
 magscale 1 2
-timestamp 1620395479
+timestamp 1620802171
+<< error_p >>
+rect 318548 427724 318566 427730
+rect 318548 427702 318576 427724
 << mvpsubdiff >>
 rect 345740 628255 345764 629032
 rect 371078 628255 371102 629032
@@ -28,6 +31,7 @@
 rect 357470 628057 357538 629399
 rect 359388 628057 359442 629399
 rect 357470 627990 359442 628057
+rect 318548 427702 318566 427724
 rect 524 -800 636 480
 rect 1706 -800 1818 480
 rect 2888 -800 3000 480