[loader] Make recipe engine support examples/ module subdir

recipe_modules/step/example.expected/infra_failure.json

Index: recipe_modules/step/example.expected/infra_failure.json
diff --git a/recipe_modules/step/example.expected/infra_failure.json b/recipe_modules/step/example.expected/infra_failure.json
deleted file mode 100644
index 7d7931829980dd8b0417017b73b63877762c1672..0000000000000000000000000000000000000000
--- a/recipe_modules/step/example.expected/infra_failure.json
+++ /dev/null
@@ -1,151 +0,0 @@
-[
-  {
-    "cmd": [
-      "echo",
-      "Hello World"
-    ],
-    "name": "hello"
-  },
-  {
-    "cmd": [
-      "echo",
-      "Why hello, there."
-    ],
-    "name": "hello (2)"
-  },
-  {
-    "cmd": [
-      "mkdir",
-      "-p",
-      "something"
-    ],
-    "name": "mk subdir"
-  },
-  {
-    "cmd": [
-      "bash",
-      "-c",
-      "echo Why hello, there, in a subdir."
-    ],
-    "cwd": "[START_DIR]/something",
-    "name": "something"
-  },
-  {
-    "cmd": [
-      "bash",
-      "-c",
-      "echo what happen"
-    ],
-    "name": "start_dir ignored"
-  },
-  {
-    "cmd": [
-      "bash",
-      "-c",
-      "echo Good bye, $friend."
-    ],
-    "env": {
-      "friend": "Darth Vader"
-    },
-    "name": "goodbye"
-  },
-  {
-    "cmd": [
-      "recipes.py",
-      "--help"
-    ],
-    "env": {
-      "PATH": "RECIPE_PACKAGE_REPO[recipe_engine]:%(PATH)s"
-    },
-    "name": "recipes help"
-  },
-  {
-    "cmd": [
-      "bash",
-      "-c",
-      "exit 3"
-    ],
-    "name": "anything is cool"
-  },
-  {
-    "cmd": [
-      "echo",
-      "hello"
-    ],
-    "name": "hello (3)",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@the reason@The reason@@@",
-      "@@@STEP_LOG_LINE@the reason@it failed@@@",
-      "@@@STEP_LOG_END@the reason@@@",
-      "@@@STEP_EXCEPTION@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "Just print stuff",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@more@More stuff@@@",
-      "@@@STEP_LOG_END@more@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "goodbye"
-    ],
-    "name": "goodbye (2)"
-  },
-  {
-    "cmd": [
-      "echo",
-      "warning"
-    ],
-    "name": "warning"
-  },
-  {
-    "cmd": [
-      "echo",
-      "testa"
-    ],
-    "name": "testa"
-  },
-  {
-    "cmd": [
-      "echo",
-      "testb"
-    ],
-    "name": "testb"
-  },
-  {
-    "cmd": [
-      "echo",
-      "cleaning",
-      "up",
-      "build"
-    ],
-    "infra_step": true,
-    "name": "cleanup",
-    "~followup_annotations": [
-      "step returned non-zero exit code: 1",
-      "@@@STEP_EXCEPTION@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "python",
-      "-c",
-      "import sys; print sys.argv",
-      "echo",
-      "main",
-      "application"
-    ],
-    "name": "application"
-  },
-  {
-    "name": "$result",
-    "recipe_result": {
-      "test_me": 3
-    },
-    "status_code": 0
-  }
-]