Tauto: New control, tast.firmware-experimental

This will allow us to view results for tests that are not yet stable
enough for main suites.

BUG=b:175240134
TEST=test_that tast.firmware-experimental

Change-Id: I8fbdf91fd0ff8ebf07126f7e0444e762733a548b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/2582510
Commit-Queue: Greg Edelston <gredelston@google.com>
Tested-by: Greg Edelston <gredelston@google.com>
Reviewed-by: Kevin Shelton <kmshelton@chromium.org>
Reviewed-by: Keigo Oka <oka@chromium.org>
diff --git a/server/site_tests/tast/control.firmware-experimental b/server/site_tests/tast/control.firmware-experimental
new file mode 100644
index 0000000..1c957c6
--- /dev/null
+++ b/server/site_tests/tast/control.firmware-experimental
@@ -0,0 +1,42 @@
+# Copyright 2020 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.
+
+from autotest_lib.client.common_lib import utils
+
+AUTHOR = 'Chromium OS Firmware EngProd team'
+NAME = 'tast.firmware-experimental'
+TIME = 'SHORT'
+TEST_TYPE = 'Server'
+DEPENDENCIES = 'servo_state:WORKING'
+ATTRIBUTES = 'suite:faft_experimental'
+MAX_RESULT_SIZE_KB = 1024 * 1024
+
+# tast.py uses binaries installed from autotest_server_package.tar.bz2.
+REQUIRE_SSP = True
+
+DOC = '''
+Run unstable firmware Tast tests.
+
+The tests are part of 'group:firmware'. The 'firmware_experimental'
+sub-attribute indicates tests that are not yet stabilized.
+
+Tast is an integration-testing framework analagous to the test-running portion
+of Autotest. See https://chromium.googlesource.com/chromiumos/platform/tast/
+for more information.
+
+See http://go/tast-failures for information about investigating failures.
+'''
+
+args_dict = utils.args_to_dict(args)
+assert 'servo_state:WORKING' in DEPENDENCIES
+servo_args = hosts.CrosHost.get_servo_arguments(args_dict)
+
+def run(machine):
+    job.run_test('tast',
+                 host=hosts.create_host(machine, servo_args=servo_args),
+                 test_exprs=['("group:firmware" && firmware_experimental)'],
+                 ignore_test_failures=True, max_run_sec=10800,
+                 command_args=args)
+
+parallel_simple(run, machines)