i/o for parent child good, but some fd is staying open

test/components/independent_test_1.bash

@@ -1,8 +1,8 @@
 #!/bin/bash
 
-echo "Test var is: $TEST_VAR"
+echo "TEST OUTPUT: Test var is: $TEST_VAR"
 
 #dialog --stdout --title "Interact with me!" \
 #  --backtitle "This is user interaction." \
 #  --yesno "Yes: pass, No:  fail" 7 60
-exit $?
+exit $?