Clean up unused test filter 'config'

We only run tests on CI in 'devel' config, so removing filters in
'debug' mode is a no-op.

b/150410605

starboard/evergreen/arm/shared/cobalt/configuration.py

@@ -27,11 +27,6 @@ def __init__(  # pylint:disable=useless-super-delegation
 
   def GetTestFilters(self):
     filters = super().GetTestFilters()
-    filters.extend([
-        # TODO: Remove this filter once the layout_tests slowdown in the debug
-        # configuration is resolved.
-        test_filter.TestFilter('layout_tests', test_filter.FILTER_ALL, 'debug'),
-    ])
     for target, tests in self.__FILTERED_TESTS.items():
       filters.extend(test_filter.TestFilter(target, test) for test in tests)
     return filters

starboard/evergreen/arm/shared/gyp_configuration.py

@@ -25,7 +25,3 @@ def __init__(self, platform):
     super().__init__(platform)
 
     self.AppendApplicationConfigurationPath(os.path.dirname(__file__))
-
-
-def CreatePlatformConfig():
-  return EvergreenArmConfiguration('evergreen-arm')

starboard/linux/shared/cobalt/configuration.py

@@ -98,15 +98,7 @@ def GetWebPlatformTestFilters(self):
         # These tests are timing-sensitive, and are thus flaky on slower builds
         test_filter.TestFilter(
             'web_platform_tests',
-            'xhr/WebPlatformTest.Run/XMLHttpRequest_send_timeout_events_htm',
-            'debug'),
-        test_filter.TestFilter(
-            'web_platform_tests',
-            'streams/WebPlatformTest.Run/streams_readable_streams_templated_html',  # pylint:disable=line-too-long
-            'debug'),
-        test_filter.TestFilter(
-            'web_platform_tests',
-            'cors/WebPlatformTest.Run/cors_preflight_failure_htm', 'devel')
+            'cors/WebPlatformTest.Run/cors_preflight_failure_htm')
     ])
     return filters
 

starboard/raspi/shared/cobalt/configuration.py

@@ -23,9 +23,6 @@ class CobaltRaspiConfiguration(cobalt_configuration.CobaltConfiguration):
   def GetTestFilters(self):
     filters = super().GetTestFilters()
     filters.extend([
-        # TODO: Remove this filter once the layout_tests slowdown in the debug
-        # configuration is resolved.
-        test_filter.TestFilter('layout_tests', test_filter.FILTER_ALL, 'debug'),
         # These tests are currently producing slightly different images on the
         # RasPi.
         test_filter.TestFilter('renderer_test',

starboard/tools/testing/test_filter.py

@@ -35,12 +35,8 @@ class TestFilter(object):
   target_name:  The name of the unit test binary from which to remove tests.
   test_name:  The name of a specific test from the provided test target, or a
     constant from this module defining a group of tests to filter.
-  config: An optional argument specifying for which build configuration
-    the test should be excluded.  If this name is not provided, the test
-    will be excluded from all test runs.
   """
 
-  def __init__(self, target_name, test_name, config=None):
+  def __init__(self, target_name, test_name):
     self.target_name = target_name
     self.test_name = test_name
-    self.config = config