[loader] Make recipe engine support examples/ module subdir

recipe_modules/url/example.expected/basic.json

Index: recipe_modules/url/example.expected/basic.json
diff --git a/recipe_modules/url/example.expected/basic.json b/recipe_modules/url/example.expected/basic.json
deleted file mode 100644
index 31ea6a10e7ef33ca2798f1b71b103bf8c4d40313..0000000000000000000000000000000000000000
--- a/recipe_modules/url/example.expected/basic.json
+++ /dev/null
@@ -1,158 +0,0 @@
-[
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::url]/resources/pycurl.py",
-      "--url",
-      "https://chromium.org",
-      "--status-json",
-      "/path/to/tmp/json",
-      "--outfile",
-      "[START_DIR]/download.bin",
-      "--headers-json",
-      "{\"Authorization\": \"thing\"}"
-    ],
-    "name": "GET https://chromium.org"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::url]/resources/pycurl.py",
-      "--url",
-      "http://chromium.org",
-      "--status-json",
-      "/path/to/tmp/json",
-      "--outfile",
-      "/path/to/tmp/"
-    ],
-    "name": "GET http://chromium.org"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::url]/resources/pycurl.py",
-      "--url",
-      "http://chromium.org",
-      "--status-json",
-      "/path/to/tmp/json",
-      "--outfile",
-      "/path/to/tmp/"
-    ],
-    "name": "GET http://chromium.org (2)"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::url]/resources/pycurl.py",
-      "--url",
-      "https://chromium.googlesource.com/infra/infra?format=JSON",
-      "--status-json",
-      "/path/to/tmp/json",
-      "--outfile",
-      "/path/to/tmp/json",
-      "--strip-prefix",
-      "\")]}'\\n\""
-    ],
-    "name": "GET https://chromium.googlesource.com/infra/infra?format=JSON",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@json.output[output]@{@@@",
-      "@@@STEP_LOG_LINE@json.output[output]@  \"is_json\": true@@@",
-      "@@@STEP_LOG_LINE@json.output[output]@}@@@",
-      "@@@STEP_LOG_END@json.output[output]@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::url]/resources/pycurl.py",
-      "--url",
-      "https://chromium.googlesource.com/infra/infra?format=JSON",
-      "--status-json",
-      "/path/to/tmp/json",
-      "--outfile",
-      "/path/to/tmp/json",
-      "--strip-prefix",
-      "\")]}'\\n\""
-    ],
-    "name": "GET https://chromium.googlesource.com/infra/infra?format=JSON (2)"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::url]/resources/pycurl.py",
-      "--url",
-      "http://httpstat.us/500",
-      "--status-json",
-      "/path/to/tmp/json",
-      "--outfile",
-      "/path/to/tmp/",
-      "--transient-retry",
-      "4"
-    ],
-    "name": "error"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::url]/resources/pycurl.py",
-      "--url",
-      "http://httpstat.us/500",
-      "--status-json",
-      "/path/to/tmp/json",
-      "--outfile",
-      "/path/to/tmp/",
-      "--transient-retry",
-      "0"
-    ],
-    "infra_step": true,
-    "name": "infra error"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::url]/resources/pycurl.py",
-      "--url",
-      "https://wrong.host.badssl.com/",
-      "--status-json",
-      "/path/to/tmp/json",
-      "--outfile",
-      "/path/to/tmp/"
-    ],
-    "name": "GET https://wrong.host.badssl.com/",
-    "~followup_annotations": [
-      "step returned non-zero exit code: 1",
-      "@@@STEP_FAILURE@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::url]/resources/pycurl.py",
-      "--url",
-      "https://expired.badssl.com/",
-      "--status-json",
-      "/path/to/tmp/json",
-      "--outfile",
-      "/path/to/tmp/"
-    ],
-    "name": "GET https://expired.badssl.com/",
-    "~followup_annotations": [
-      "step returned non-zero exit code: 1",
-      "@@@STEP_FAILURE@@@"
-    ]
-  },
-  {
-    "name": "$result",
-    "recipe_result": null,
-    "status_code": 0
-  }
-]