Failing test for shadowing bindings

Signed-off-by: Rudi Grinberg <rudi.grinberg@gmail.com>

test/blackbox-tests/dune.inc

@@ -611,6 +611,14 @@
    test-cases/select
    (progn (run %{exe:cram.exe} -test run.t) (diff? run.t run.t.corrected)))))
 
+(alias
+ (name shadow-bindings)
+ (deps (package dune) (source_tree test-cases/shadow-bindings))
+ (action
+  (chdir
+   test-cases/shadow-bindings
+   (progn (run %{exe:cram.exe} -test run.t) (diff? run.t run.t.corrected)))))
+
 (alias
  (name subst)
  (deps (package dune) (source_tree test-cases/subst))
@@ -749,6 +757,7 @@
   (alias scope-bug)
   (alias scope-ppx-bug)
   (alias select)
+  (alias shadow-bindings)
   (alias subst)
   (alias syntax-versioning)
   (alias tests-stanza)
@@ -824,6 +833,7 @@
   (alias scope-bug)
   (alias scope-ppx-bug)
   (alias select)
+  (alias shadow-bindings)
   (alias subst)
   (alias syntax-versioning)
   (alias tests-stanza)

test/blackbox-tests/test-cases/shadow-bindings/dune

@@ -0,0 +1,5 @@
+
+(alias
+ (name runtest)
+ (deps (:root foo))
+ (action (echo %{root})))

test/blackbox-tests/test-cases/shadow-bindings/dune-project

@@ -0,0 +1 @@
+(lang dune 1.0)

test/blackbox-tests/test-cases/shadow-bindings/run.t

@@ -0,0 +1,4 @@
+Bindings introduced by user dependencies should shadow existing bindings
+
+  $ dune runtest
+  .