add test for completion of recipes in subdirectories

tests/completions/just.bash

@@ -36,36 +36,44 @@ test_just_is_accessible() {
     exit_code='1'
   fi
 }
+PATH="./target/debug:$PATH"
+test_just_is_accessible
 
 test_complete_all_recipes() {
   COMP_WORDS=(just)
   COMP_CWORD=1 _just just
   reply_equals 'declare -a COMPREPLY=([0]="build" [1]="build-book" [2]="changes" [3]="check" [4]="ci" [5]="clippy" [6]="done" [7]="filter" [8]="fmt" [9]="forbid" [10]="fuzz" [11]="generate-completions" [12]="install" [13]="install-dev-deps" [14]="install-dev-deps-homebrew" [15]="man" [16]="polyglot" [17]="pr" [18]="publish" [19]="push" [20]="pwd" [21]="quine" [22]="render-readme" [23]="replace" [24]="run" [25]="sloc" [26]="test" [27]="test-quine" [28]="view-man" [29]="watch" [30]="watch-readme")'
 }
+cleanup
+test_complete_all_recipes
 
 test_complete_recipes_starting_with_i() {
   COMP_WORDS=(just i)
   COMP_CWORD=1 _just just
   reply_equals 'declare -a COMPREPLY=([0]="install" [1]="install-dev-deps" [2]="install-dev-deps-homebrew")'
 }
+cleanup
+test_complete_recipes_starting_with_i
 
 test_complete_recipes_starting_with_r() {
   COMP_WORDS=(just r)
   COMP_CWORD=1 _just just
   reply_equals 'declare -a COMPREPLY=([0]="render-readme" [1]="replace" [2]="run")'
 }
-
-PATH="./target/debug:$PATH"
-test_just_is_accessible
-
 cleanup
-test_complete_all_recipes
+test_complete_recipes_starting_with_r
 
+test_complete_recipes_from_subdirs() {
+  mkdir -p ./tmp
+  echo 'install:' > tmp/justfile
+  echo 'deploy:' >> tmp/justfile
+  COMP_WORDS=(just tmp/)
+  COMP_CWORD=1 _just just
+  reply_equals 'declare -a COMPREPLY=([0]="tmp/deploy" [1]="tmp/install")'
+}
 cleanup
-test_complete_recipes_starting_with_i
-
+test_complete_recipes_from_subdirs
 cleanup
-test_complete_recipes_starting_with_r
 
 if [ "$exit_code" = '0' ]; then
   echo "All tests passed."