Set nest step status when test failure for Chromedriver recipe.

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

Index: scripts/slave/recipe_modules/chromedriver/example.expected/Android_ChromeDriver_basic.json
diff --git a/scripts/slave/recipe_modules/chromedriver/example.expected/Android_ChromeDriver_basic.json b/scripts/slave/recipe_modules/chromedriver/example.expected/Android_ChromeDriver_basic.json
index 8b08626552dc98d1c86b4fd85d0fab5946fab6a9..fb0c51de6c3acf9bab8a51e91a1cd81f34a149b1 100644
--- a/scripts/slave/recipe_modules/chromedriver/example.expected/Android_ChromeDriver_basic.json
+++ b/scripts/slave/recipe_modules/chromedriver/example.expected/Android_ChromeDriver_basic.json
@@ -184,7 +184,7 @@
     "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@@@"
     ]
@@ -239,7 +239,7 @@
     "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@@@"
     ]
@@ -295,7 +295,7 @@
     "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@@@"
     ]
@@ -350,7 +350,7 @@
     "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@@@"
     ]
@@ -406,7 +406,7 @@
     "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@@@"
     ]
@@ -461,7 +461,7 @@
     "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@@@"
     ]
@@ -517,7 +517,7 @@
     "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@@@"
     ]
@@ -572,7 +572,7 @@
     "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@@@"
     ]