Update cat_test.sh

Author: scopeInfinity

tests/app/cat_test.sh

@@ -8,4 +8,4 @@ python3 -m tests.qemu.monitor -p ${MONITOR_PORT:?} -sc cat readme.md
 
 test_create_screen_dump
 test_screen_content $LINENO "FuzzyOS"
-test_screen_content $LINENO "32-bit x86 OS"
+test_screen_content $LINENO "32-bit x86"