[loader] Make recipe engine support examples/ module subdir

recipe_modules/generator_script/example.expected/always_run.json

Index: recipe_modules/generator_script/example.expected/always_run.json
diff --git a/recipe_modules/generator_script/example.expected/always_run.json b/recipe_modules/generator_script/example.expected/always_run.json
deleted file mode 100644
index 837f208694854ffabae5aa6f04421d4de1b0918d..0000000000000000000000000000000000000000
--- a/recipe_modules/generator_script/example.expected/always_run.json
+++ /dev/null
@@ -1,78 +0,0 @@
-[
-  {
-    "cmd": [
-      "python",
-      "-u",
-      "always_run.py",
-      "--output-json",
-      "/path/to/tmp/json"
-    ],
-    "cwd": "[TMP_BASE]",
-    "name": "gen step(always_run.py)",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@json.output@[@@@",
-      "@@@STEP_LOG_LINE@json.output@  {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"cmd\": [@@@",
-      "@@@STEP_LOG_LINE@json.output@      \"echo\", @@@",
-      "@@@STEP_LOG_LINE@json.output@      \"runs succeeds\"@@@",
-      "@@@STEP_LOG_LINE@json.output@    ], @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"name\": \"runs\"@@@",
-      "@@@STEP_LOG_LINE@json.output@  }, @@@",
-      "@@@STEP_LOG_LINE@json.output@  {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"cmd\": [@@@",
-      "@@@STEP_LOG_LINE@json.output@      \"echo\", @@@",
-      "@@@STEP_LOG_LINE@json.output@      \"fails fails!\"@@@",
-      "@@@STEP_LOG_LINE@json.output@    ], @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"name\": \"fails\"@@@",
-      "@@@STEP_LOG_LINE@json.output@  }, @@@",
-      "@@@STEP_LOG_LINE@json.output@  {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"cmd\": [@@@",
-      "@@@STEP_LOG_LINE@json.output@      \"echo\", @@@",
-      "@@@STEP_LOG_LINE@json.output@      \"absent\"@@@",
-      "@@@STEP_LOG_LINE@json.output@    ], @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"name\": \"skipped\"@@@",
-      "@@@STEP_LOG_LINE@json.output@  }, @@@",
-      "@@@STEP_LOG_LINE@json.output@  {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"always_run\": true, @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"cmd\": [@@@",
-      "@@@STEP_LOG_LINE@json.output@      \"echo\", @@@",
-      "@@@STEP_LOG_LINE@json.output@      \"runs anyway\"@@@",
-      "@@@STEP_LOG_LINE@json.output@    ], @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"name\": \"always_runs\"@@@",
-      "@@@STEP_LOG_LINE@json.output@  }@@@",
-      "@@@STEP_LOG_LINE@json.output@]@@@",
-      "@@@STEP_LOG_END@json.output@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "runs succeeds"
-    ],
-    "name": "runs"
-  },
-  {
-    "cmd": [
-      "echo",
-      "fails fails!"
-    ],
-    "name": "fails",
-    "~followup_annotations": [
-      "step returned non-zero exit code: 1",
-      "@@@STEP_FAILURE@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "echo",
-      "runs anyway"
-    ],
-    "name": "always_runs"
-  },
-  {
-    "name": "$result",
-    "reason": "the following steps in gen step(always_run.py) failed: ['fails']",
-    "recipe_result": null,
-    "status_code": 1
-  }
-]