[loader] Make recipe engine support examples/ module subdir

recipe_modules/raw_io/example.expected/basic.json

Index: recipe_modules/raw_io/example.expected/basic.json
diff --git a/recipe_modules/raw_io/example.expected/basic.json b/recipe_modules/raw_io/example.expected/basic.json
deleted file mode 100644
index b700eb28f8e52bcbeacd41debc4587885ceb9553..0000000000000000000000000000000000000000
--- a/recipe_modules/raw_io/example.expected/basic.json
+++ /dev/null
@@ -1,96 +0,0 @@
-[
-  {
-    "cmd": [
-      "echo",
-      "Hello World"
-    ],
-    "name": "echo",
-    "stderr": "/path/to/tmp/",
-    "stdout": "/path/to/tmp/"
-  },
-  {
-    "cmd": [
-      "cat"
-    ],
-    "name": "cat",
-    "stdin": "hello",
-    "stdout": "/path/to/tmp/out"
-  },
-  {
-    "cmd": [
-      "cat",
-      "hello"
-    ],
-    "name": "cat (2)",
-    "stdout": "/path/to/tmp/out"
-  },
-  {
-    "cmd": [
-      "cat"
-    ],
-    "name": "cat (3)",
-    "stdin": "\ufffdhello",
-    "stdout": "/path/to/tmp/"
-  },
-  {
-    "cmd": [
-      "echo",
-      "huh"
-    ],
-    "name": "automock",
-    "stdout": "/path/to/tmp/out"
-  },
-  {
-    "cmd": [
-      "bash",
-      "-c",
-      "echo blah && echo fail 1>&2"
-    ],
-    "name": "automock (fail)",
-    "stderr": "/path/to/tmp/err",
-    "stdout": "/path/to/tmp/out"
-  },
-  {
-    "cmd": [
-      "echo",
-      "leaking"
-    ],
-    "name": "leak stdout",
-    "stdout": "[TMP_BASE]/out.txt"
-  },
-  {
-    "cmd": [
-      "ls",
-      "/path/to/tmp/"
-    ],
-    "name": "list temp dir"
-  },
-  {
-    "cmd": [
-      "ls",
-      "[TMP_BASE]/out"
-    ],
-    "name": "leak dir"
-  },
-  {
-    "cmd": [
-      "python",
-      "-u",
-      "\nimport sys\nwith open(sys.argv[1], 'w') as f:\n  f.write('bad_value')\n",
-      "/path/to/tmp/"
-    ],
-    "name": "override_default_mock",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@python.inline@@@@",
-      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
-      "@@@STEP_LOG_LINE@python.inline@with open(sys.argv[1], 'w') as f:@@@",
-      "@@@STEP_LOG_LINE@python.inline@  f.write('bad_value')@@@",
-      "@@@STEP_LOG_END@python.inline@@@"
-    ]
-  },
-  {
-    "name": "$result",
-    "recipe_result": null,
-    "status_code": 0
-  }
-]