subshell term too much tricky

test/stub/scenario.bash

@@ -7,11 +7,26 @@ readonly BASEDIR
 
 # SCENARII
 
-function do_pipe_error {
+function do_subshell_term {
+  # grep nope nope
+  echo "found=$(grep nope nope)"
+}
+
+function do_last_false {
+  # FIXME: provides error detection
+  ! true
+}
+
+function do_unbound_associative {
   declare -A associative
   associative['A']='Abc'
+
+  # this is fine
   [[ -v associative['A'] ]] && echo "${associative['A']}"
-  true
+  [[ -v associative['B'] ]] && echo "${associative['B']}"
+
+  # this fails
+  echo "${associative['B']}"
 }
 
 function do_false {