[loader] Make recipe engine support examples/ module subdir

recipe_modules/properties/example.expected/buildbot_tryserver_gerrit_override_both.json

Index: recipe_modules/properties/example.expected/buildbot_tryserver_gerrit_override_both.json
diff --git a/recipe_modules/properties/example.expected/buildbot_tryserver_gerrit_override_both.json b/recipe_modules/properties/example.expected/buildbot_tryserver_gerrit_override_both.json
deleted file mode 100644
index 7757665639d350434a1077ff988d6075f2a686a4..0000000000000000000000000000000000000000
--- a/recipe_modules/properties/example.expected/buildbot_tryserver_gerrit_override_both.json
+++ /dev/null
@@ -1,173 +0,0 @@
-[
-  {
-    "cmd": [
-      "echo",
-      "None",
-      "'thing'"
-    ],
-    "name": "echo"
-  },
-  {
-    "cmd": [
-      "echo",
-      "('blamelist', ['cool_dev1337@chromium.org', 'hax@chromium.org'])",
-      "('bot_id', 'test_bot')",
-      "('buildbotURL', 'http://c.org/p/cr/')",
-      "('buildername', 'TestBuilder')",
-      "('buildnumber', 571)",
-      "('foo.bar-bam', 'thing')",
-      "('mastername', 'chromium.testing.master')",
-      "('patch_branch', 'master')",
-      "('patch_gerrit_url', 'https://gerrit.my.host')",
-      "('patch_issue', 989898)",
-      "('patch_project', 'custom')",
-      "('patch_ref', 'refs/changes/98/989898/3')",
-      "('patch_repository_url', 'https://git.my.host/custom')",
-      "('patch_set', 3)",
-      "('patch_storage', 'gerrit')",
-      "('recipe', 'properties:example')",
-      "('slavename', 'TestSlavename')",
-      "('test_prop', None)",
-      "('workdir', '/path/to/workdir/TestSlavename')"
-    ],
-    "name": "echo all"
-  },
-  {
-    "cmd": [
-      "echo",
-      "3"
-    ],
-    "name": "echo patch_set"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'/path/to/workdir/TestSlavename'"
-    ],
-    "name": "echo workdir"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'https://gerrit.my.host'"
-    ],
-    "name": "echo patch_gerrit_url"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'master'"
-    ],
-    "name": "echo patch_branch"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'TestBuilder'"
-    ],
-    "name": "echo buildername"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'refs/changes/98/989898/3'"
-    ],
-    "name": "echo patch_ref"
-  },
-  {
-    "cmd": [
-      "echo",
-      "None"
-    ],
-    "name": "echo test_prop"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'https://git.my.host/custom'"
-    ],
-    "name": "echo patch_repository_url"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'properties:example'"
-    ],
-    "name": "echo recipe"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'chromium.testing.master'"
-    ],
-    "name": "echo mastername"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'gerrit'"
-    ],
-    "name": "echo patch_storage"
-  },
-  {
-    "cmd": [
-      "echo",
-      "571"
-    ],
-    "name": "echo buildnumber"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'TestSlavename'"
-    ],
-    "name": "echo slavename"
-  },
-  {
-    "cmd": [
-      "echo",
-      "('cool_dev1337@chromium.org', 'hax@chromium.org')"
-    ],
-    "name": "echo blamelist"
-  },
-  {
-    "cmd": [
-      "echo",
-      "989898"
-    ],
-    "name": "echo patch_issue"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'http://c.org/p/cr/'"
-    ],
-    "name": "echo buildbotURL"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'custom'"
-    ],
-    "name": "echo patch_project"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'thing'"
-    ],
-    "name": "echo foo.bar-bam"
-  },
-  {
-    "cmd": [
-      "echo",
-      "'test_bot'"
-    ],
-    "name": "echo bot_id"
-  },
-  {
-    "name": "$result",
-    "recipe_result": null,
-    "status_code": 0
-  }
-]