Adding a stress_experimental suite and moving a test to it.

This suite is meant to verify tests before they are promoted to the
actual stress suite.

Moved platform_ExternalUsbPeripherals test to the new suite.

BUG=None
TEST=None

Change-Id: Ie2733044eb0a2e144dc546b2982bf19d91f6d459
Reviewed-on: https://chromium-review.googlesource.com/223753
Reviewed-by: Kalin Stoyanov <kalin@chromium.org>
Reviewed-by: Dan Shi <dshi@chromium.org>
Commit-Queue: Yusuf Mohsinally <mohsinally@chromium.org>
Tested-by: Yusuf Mohsinally <mohsinally@chromium.org>
diff --git a/server/site_tests/platform_ExternalUsbPeripherals/control b/server/site_tests/platform_ExternalUsbPeripherals/control
index f6ada50..decf4a6 100644
--- a/server/site_tests/platform_ExternalUsbPeripherals/control
+++ b/server/site_tests/platform_ExternalUsbPeripherals/control
@@ -12,7 +12,7 @@
 TEST_CATEGORY = "Functional"
 TEST_CLASS = "platform"
 TEST_TYPE = "server"
-SUITE = "stress"
+SUITE = "stress_experimental"
 DEPENDENCIES = "servo"
 
 DOC = """
@@ -45,4 +45,4 @@
                  disable_sysinfo=True, client_autotest="desktopui_SimpleLogin",
                  action_sequence=action_sequence, repeat=repeat)
 
-parallel_simple(run, machines)
\ No newline at end of file
+parallel_simple(run, machines)
diff --git a/suite_scheduler.ini b/suite_scheduler.ini
index a5fedd6..a88ab02 100644
--- a/suite_scheduler.ini
+++ b/suite_scheduler.ini
@@ -355,6 +355,13 @@
 branch_specs: <=R38
 pool: wificell
 
+[NightlyStressExperimental]
+run_on: nightly
+suite: stress_experimental
+branch_specs: >=R40
+pool: stress
+file_bugs: False
+
 [NightlyStress]
 run_on: nightly
 suite: stress
diff --git a/test_suites/control.stress_experimental b/test_suites/control.stress_experimental
new file mode 100644
index 0000000..d5c54cc
--- /dev/null
+++ b/test_suites/control.stress_experimental
@@ -0,0 +1,46 @@
+# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+AUTHOR = "Chrome OS Team"
+NAME = "stress_experimental"
+PURPOSE = "Experimental suite to test stress tests."
+CRITERIA = "All tests with SUITE=stress_experimental must pass."
+
+TIME = "LONG"
+TEST_CATEGORY = "Stress"
+TEST_CLASS = "suite"
+TEST_TYPE = "Server"
+
+DOC = """
+This is the stress_experimental test suite.
+
+This suite is meant to be a proving ground for stress tests before they
+are promoted to the actual stress suite.
+
+@param build: The name of the image to test.
+              Ex: x86-mario-release/R17-1412.33.0-a1-b29
+@param board: The board to test on.  Ex: x86-mario
+@param pool: The pool of machines to utilize for scheduling. If pool=None
+             board is used.
+@param check_hosts: require appropriate live hosts to exist in the lab.
+@param SKIP_IMAGE: (optional) If present and True, don't re-image devices.
+"""
+
+import common
+from autotest_lib.server.cros import provision
+from autotest_lib.server.cros.dynamic_suite import dynamic_suite
+
+_BUG_TEMPLATE = {
+    'labels': ['OS-Chrome', 'StressRack-Experimental'],
+    'owner': 'mohsinally@chromium.org',
+}
+
+
+dynamic_suite.reimage_and_run(
+    build=build, board=board, name='stress_experimental', job=job, pool=pool,
+    check_hosts=check_hosts, add_experimental=True, num=num,
+    file_bugs=file_bugs, priority=priority, timeout_mins=timeout_mins,
+    devserver_url=devserver_url, version_prefix=provision.CROS_VERSION_PREFIX,
+    wait_for_results=wait_for_results, job_retry=job_retry,
+    bug_template=_BUG_TEMPLATE)