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 $?

test/environments/examplar.variables

@@ -1,5 +1,11 @@
+#!/usr/bin/bash
+
+
+
+
+
 set -a
 
-echo "This is output from loading the variables file."
+echo "variables file says hello and set a variable named TEST_VAR"
 TEST_VAR="999"