V8 Buildbot: Add test262-es6 to linux64 trybot.

scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_linux64_rel.json

Index: scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_linux64_rel.json
diff --git a/scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_linux64_rel.json b/scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_linux64_rel.json
index 98a145e2527d490d6136f9b53de59af869777fcd..6c2d09de5dae241d7726f156c2414b831e7e9713 100644
--- a/scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_linux64_rel.json
+++ b/scripts/slave/recipes/v8.expected/full_tryserver_v8_v8_linux64_rel.json
@@ -280,6 +280,48 @@
       "out",
       "--buildbot",
       "--timeout=200",
+      "test262-es6",
+      "--no-variants",
+      "--download-data",
+      "--flaky-tests=skip",
+      "--dcheck-always-on",
+      "--rerun-failures-count=2",
+      "--json-test-results",
+      "/path/to/tmp/json"
+    ],
+    "cwd": "[SLAVE_BUILD]/v8",
+    "name": "Test262-es6 - no variants",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@durations@01:01:002 mjsunit/Cool.Test@@@",
+      "@@@STEP_LOG_LINE@durations@00:00:101 mjsunit/Cool.Test2@@@",
+      "@@@STEP_LOG_LINE@durations@@@@",
+      "@@@STEP_LOG_LINE@durations@Details:@@@",
+      "@@@STEP_LOG_LINE@durations@@@@",
+      "@@@STEP_LOG_LINE@durations@Test: mjsunit/Cool.Test@@@",
+      "@@@STEP_LOG_LINE@durations@Flags: -f@@@",
+      "@@@STEP_LOG_LINE@durations@Command: d8 -f mjsunit/Cool.Test@@@",
+      "@@@STEP_LOG_LINE@durations@Duration: 01:01:002@@@",
+      "@@@STEP_LOG_LINE@durations@Test: mjsunit/Cool.Test2@@@",
+      "@@@STEP_LOG_LINE@durations@Flags: -f -g@@@",
+      "@@@STEP_LOG_LINE@durations@Command: d8 -f mjsunit/Cool.Test2@@@",
+      "@@@STEP_LOG_LINE@durations@Duration: 00:00:101@@@",
+      "@@@STEP_LOG_END@durations@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "[SLAVE_BUILD]/v8/tools/run-tests.py",
+      "--progress=verbose",
+      "--mode",
+      "Release",
+      "--arch",
+      "x64",
+      "--outdir",
+      "out",
+      "--buildbot",
+      "--timeout=200",
       "simdjs",
       "--download-data",
       "--flaky-tests=skip",