tests_run.sh: Fix the erase flash arguments.

Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>

Author: Ouss4

.github/scripts/tests_run.sh

@@ -60,7 +60,7 @@ while [ ! -z "$1" ]; do
         chunk_max=$1
         ;;
     -e )
-        erase=$1
+        erase=1
         ;;
     -h )
         echo "$USAGE"