Set nest step status when test failure for Chromedriver recipe.

scripts/slave/recipe_modules/chromedriver/example.expected/Android_ChromeDriver_basic.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "chromium.testing.master",
       "--builder",
       "Android ChromeDriver Tests Example",
@@ skipping 166 matching lines @@
       "--log-path",
       "[TMP_BASE]/server_log_tmp_2/python_tests_chrome_shell_571",
       "--reference-chromedriver",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/third_party/java_tests/reference_builds/chromedriver_linux64",
       "--android-package",
       "chrome_shell"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
-    "name": "python_tests chrome_shell.Run test python_tests chrome_shell",
+    "name": "python_tests chrome_shell.Run Tests",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
@@ skipping 34 matching lines @@
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_3/java_tests_chrome_shell_571",
       "--verbose",
       "--android-package",
       "chrome_shell"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
-    "name": "java_tests chrome_shell.Run test java_tests chrome_shell",
+    "name": "java_tests chrome_shell.Run Tests",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
@@ skipping 35 matching lines @@
       "--log-path",
       "[TMP_BASE]/server_log_tmp_4/python_tests_chrome_stable_571",
       "--reference-chromedriver",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/third_party/java_tests/reference_builds/chromedriver_linux64",
       "--android-package",
       "chrome_stable"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
-    "name": "python_tests chrome_stable.Run test python_tests chrome_stable",
+    "name": "python_tests chrome_stable.Run Tests",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
@@ skipping 34 matching lines @@
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_5/java_tests_chrome_stable_571",
       "--verbose",
       "--android-package",
       "chrome_stable"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
-    "name": "java_tests chrome_stable.Run test java_tests chrome_stable",
+    "name": "java_tests chrome_stable.Run Tests",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
@@ skipping 35 matching lines @@
       "--log-path",
       "[TMP_BASE]/server_log_tmp_6/python_tests_chrome_beta_571",
       "--reference-chromedriver",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/third_party/java_tests/reference_builds/chromedriver_linux64",
       "--android-package",
       "chrome_beta"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
-    "name": "python_tests chrome_beta.Run test python_tests chrome_beta",
+    "name": "python_tests chrome_beta.Run Tests",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
@@ skipping 34 matching lines @@
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_7/java_tests_chrome_beta_571",
       "--verbose",
       "--android-package",
       "chrome_beta"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
-    "name": "java_tests chrome_beta.Run test java_tests chrome_beta",
+    "name": "java_tests chrome_beta.Run Tests",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
@@ skipping 35 matching lines @@
       "--log-path",
       "[TMP_BASE]/server_log_tmp_8/python_tests_chromedriver_webview_shell_571",
       "--reference-chromedriver",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/third_party/java_tests/reference_builds/chromedriver_linux64",
       "--android-package",
       "chromedriver_webview_shell"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
-    "name": "python_tests chromedriver_webview_shell.Run test python_tests chromedriver_webview_shell",
+    "name": "python_tests chromedriver_webview_shell.Run Tests",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
@@ skipping 34 matching lines @@
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_9/java_tests_chromedriver_webview_shell_571",
       "--verbose",
       "--android-package",
       "chromedriver_webview_shell"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
-    "name": "java_tests chromedriver_webview_shell.Run test java_tests chromedriver_webview_shell",
+    "name": "java_tests chromedriver_webview_shell.Run Tests",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
@@ skipping 113 matching lines @@
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]