diff --git a/test/root.status b/test/root.status
new file mode 100644
index 00000000000000..9ed9004c2169d0
--- /dev/null
+++ b/test/root.status
@@ -0,0 +1,190 @@
+[$mode==debug]
+async-hooks/test-callback-error: SLOW
+async-hooks/test-callback-error: SLOW
+async-hooks/test-emit-init: SLOW
+async-hooks/test-emit-init: SLOW
+async-hooks/test-querywrap: SLOW
+async-hooks/test-querywrap: SLOW
+async-hooks/test-tlswrap: SLOW
+async-hooks/test-tlswrap: SLOW
+message/eval_messages: SLOW
+message/stdin_messages: SLOW
+parallel/test-benchmark-assert: SLOW
+parallel/test-benchmark-cluster: SLOW
+parallel/test-benchmark-crypto: SLOW
+parallel/test-benchmark-dns: SLOW
+parallel/test-benchmark-domain: SLOW
+parallel/test-benchmark-es: SLOW
+parallel/test-benchmark-events: SLOW
+parallel/test-benchmark-fs: SLOW
+parallel/test-benchmark-misc: SLOW
+parallel/test-benchmark-module: SLOW
+parallel/test-benchmark-os: SLOW
+parallel/test-benchmark-process: SLOW
+parallel/test-benchmark-querystring: SLOW
+parallel/test-benchmark-streams: SLOW
+parallel/test-benchmark-string_decoder: SLOW
+parallel/test-benchmark-timers: SLOW
+parallel/test-benchmark-url: SLOW
+parallel/test-benchmark-util: SLOW
+parallel/test-benchmark-v8: SLOW
+parallel/test-benchmark-vm: SLOW
+parallel/test-benchmark-zlib: SLOW
+parallel/test-buffer-constructor-node-modules-paths: SLOW
+parallel/test-buffer-indexof: SLOW
+parallel/test-child-process-spawnsync-input: SLOW
+parallel/test-child-process-windows-hide: SLOW
+parallel/test-cli-eval: SLOW
+parallel/test-cli-eval-event: SLOW
+parallel/test-cli-node-options: SLOW
+parallel/test-cli-node-options-disallowed: SLOW
+parallel/test-cli-node-print-help: SLOW
+parallel/test-cli-syntax: SLOW
+parallel/test-cluster-basic: SLOW
+parallel/test-cluster-bind-privileged-port: SLOW
+parallel/test-cluster-bind-twice: SLOW
+parallel/test-cluster-disconnect: SLOW
+parallel/test-cluster-disconnect-idle-worker: SLOW
+parallel/test-crypto-fips: SLOW
+parallel/test-domain-abort-on-uncaught: SLOW
+parallel/test-domain-uncaught-exception: SLOW
+parallel/test-domain-with-abort-on-uncaught-exception: SLOW
+parallel/test-env-var-no-warnings: SLOW
+parallel/test-error-reporting: SLOW
+parallel/test-eslint-alphabetize-errors: SLOW
+parallel/test-eslint-buffer-constructor: SLOW
+parallel/test-eslint-crypto-check: SLOW
+parallel/test-eslint-documented-errors: SLOW
+parallel/test-eslint-duplicate-requires: SLOW
+parallel/test-eslint-eslint-check: SLOW
+parallel/test-eslint-inspector-check: SLOW
+parallel/test-eslint-lowercase-name-for-primitive: SLOW
+parallel/test-eslint-no-let-in-for-declaration: SLOW
+parallel/test-eslint-no-unescaped-regexp-dot: SLOW
+parallel/test-eslint-number-isnan: SLOW
+parallel/test-eslint-prefer-assert-iferror: SLOW
+parallel/test-eslint-prefer-assert-methods: SLOW
+parallel/test-eslint-prefer-common-expectserror: SLOW
+parallel/test-eslint-prefer-common-mustnotcall: SLOW
+parallel/test-eslint-prefer-util-format-errors: SLOW
+parallel/test-eslint-require-buffer: SLOW
+parallel/test-eslint-required-modules: SLOW
+parallel/test-fs-read-stream-concurrent-reads: SLOW
+parallel/test-gc-tls-external-memory: SLOW
+parallel/test-heapdump-dns: SLOW
+parallel/test-heapdump-fs-promise: SLOW
+parallel/test-heapdump-http2: SLOW
+parallel/test-heapdump-inspector: SLOW
+parallel/test-heapdump-tls: SLOW
+parallel/test-heapdump-worker: SLOW
+parallel/test-heapdump-zlib: SLOW
+parallel/test-http-client-timeout-option-with-agent: SLOW
+parallel/test-http-pipeline-flood: SLOW
+parallel/test-http-pipeline-requests-connection-leak: SLOW
+parallel/test-http2-forget-closed-streams: SLOW
+parallel/test-http2-multiplex: SLOW
+parallel/test-inspector-tracing-domain: SLOW
+parallel/test-listen-fd-cluster: SLOW
+parallel/test-module-loading-globalpaths: SLOW
+parallel/test-module-main-fail: SLOW
+parallel/test-module-main-preserve-symlinks-fail: SLOW
+parallel/test-net-pingpong: SLOW
+parallel/test-next-tick-fixed-queue-regression: SLOW
+parallel/test-npm-install: SLOW
+parallel/test-preload: SLOW
+parallel/test-repl: SLOW
+parallel/test-repl-tab-complete: SLOW
+parallel/test-repl-top-level-await: SLOW
+parallel/test-stdio-pipe-access: SLOW
+parallel/test-stream-pipeline: SLOW
+parallel/test-stream2-read-sync-stack: SLOW
+parallel/test-stringbytes-external: SLOW
+parallel/test-sync-io-option: SLOW
+parallel/test-tick-processor-arguments: SLOW
+parallel/test-tls-env-bad-extra-ca: SLOW
+parallel/test-tls-env-extra-ca: SLOW
+parallel/test-tls-handshake-exception: SLOW
+parallel/test-tls-securepair-leak: SLOW
+parallel/test-tls-server-verify: SLOW
+parallel/test-tls-session-cache: SLOW
+parallel/test-tls-ticket-cluster: SLOW
+parallel/test-tls-timeout-server: SLOW
+parallel/test-tls-timeout-server-2: SLOW
+parallel/test-tls-tlswrap-segfault: SLOW
+parallel/test-trace-events-all: SLOW
+parallel/test-trace-events-api: SLOW
+parallel/test-trace-events-async-hooks: SLOW
+parallel/test-trace-events-binding: SLOW
+parallel/test-trace-events-bootstrap: SLOW
+parallel/test-trace-events-category-used: SLOW
+parallel/test-trace-events-file-pattern: SLOW
+parallel/test-trace-events-fs-sync: SLOW
+parallel/test-trace-events-metadata: SLOW
+parallel/test-trace-events-none: SLOW
+parallel/test-trace-events-perf: SLOW
+parallel/test-trace-events-process-exit: SLOW
+parallel/test-trace-events-promises: SLOW
+parallel/test-trace-events-v8: SLOW
+parallel/test-trace-events-vm: SLOW
+parallel/test-trace-events-worker-metadata: SLOW
+parallel/test-tracing-no-crash: SLOW
+parallel/test-url-relative: SLOW
+parallel/test-util-callbackify: SLOW
+parallel/test-util-inspect: SLOW
+parallel/test-util-inspect-long-running: SLOW
+parallel/test-util-types: SLOW
+parallel/test-v8-coverage: SLOW
+parallel/test-vm-api-handles-getter-errors: SLOW
+parallel/test-vm-basic: SLOW
+parallel/test-vm-cached-data: SLOW
+parallel/test-vm-sigint: SLOW
+parallel/test-vm-sigint-existing-handler: SLOW
+parallel/test-vm-symbols: SLOW
+parallel/test-vm-syntax-error-message: SLOW
+parallel/test-vm-syntax-error-stderr: SLOW
+parallel/test-worker: SLOW
+parallel/test-worker-cleanup-handles: SLOW
+parallel/test-worker-debug: SLOW
+parallel/test-worker-esmodule: SLOW
+parallel/test-worker-exit-code: SLOW
+parallel/test-worker-memory: SLOW
+parallel/test-worker-message-channel: SLOW
+parallel/test-worker-message-channel-sharedarraybuffer: SLOW
+parallel/test-worker-nexttick-terminate: SLOW
+parallel/test-worker-onmessage: SLOW
+parallel/test-worker-onmessage-not-a-function: SLOW
+parallel/test-worker-parent-port-ref: SLOW
+parallel/test-worker-relative-path: SLOW
+parallel/test-worker-relative-path-double-dot: SLOW
+parallel/test-worker-stdio: SLOW
+parallel/test-worker-syntax-error: SLOW
+parallel/test-worker-syntax-error-file: SLOW
+parallel/test-worker-uncaught-exception: SLOW
+parallel/test-worker-uncaught-exception-async: SLOW
+parallel/test-worker-unsupported-things: SLOW
+parallel/test-worker-workerdata-sharedarraybuffer: SLOW
+parallel/test-zlib-bytes-read: SLOW
+parallel/test-zlib-convenience-methods: SLOW
+sequential/test-benchmark-buffer: SLOW
+sequential/test-benchmark-child-process: SLOW
+sequential/test-benchmark-dgram: SLOW
+sequential/test-benchmark-http: SLOW
+sequential/test-benchmark-net: SLOW
+sequential/test-benchmark-path: SLOW
+sequential/test-benchmark-tls: SLOW
+sequential/test-child-process-execsync: SLOW
+sequential/test-child-process-exit: SLOW
+sequential/test-child-process-pass-fd: SLOW
+sequential/test-fs-readfile-tostring-fail: SLOW
+sequential/test-fs-watch-system-limit: SLOW
+sequential/test-gc-http-client: SLOW
+sequential/test-gc-http-client-connaborted: SLOW
+sequential/test-gc-http-client-onerror: SLOW
+sequential/test-gc-http-client-timeout: SLOW
+sequential/test-gc-net-timeout: SLOW
+sequential/test-http2-ping-flood: SLOW
+sequential/test-http2-settings-flood: SLOW
+sequential/test-inspector-port-cluster: SLOW
+sequential/test-net-bytes-per-incoming-chunk-overhead: SLOW
+sequential/test-pipe: SLOW
+sequential/test-util-debug: SLOW
diff --git a/tools/test.py b/tools/test.py
index 3d62eedd1631e2..0571f3394bcc38 100755
--- a/tools/test.py
+++ b/tools/test.py
@@ -850,15 +850,15 @@ def GetTestStatus(self, context, sections, defs):
 
 
 class LiteralTestSuite(TestSuite):
-
-  def __init__(self, tests):
+  def __init__(self, tests_repos, test_root):
     super(LiteralTestSuite, self).__init__('root')
-    self.tests = tests
+    self.tests_repos = tests_repos
+    self.test_root = test_root
 
   def GetBuildRequirements(self, path, context):
     (name, rest) = CarCdr(path)
     result = [ ]
-    for test in self.tests:
+    for test in self.tests_repos:
       if not name or name.match(test.GetName()):
         result += test.GetBuildRequirements(rest, context)
     return result
@@ -866,7 +866,7 @@ def GetBuildRequirements(self, path, context):
   def ListTests(self, current_path, path, context, arch, mode):
     (name, rest) = CarCdr(path)
     result = [ ]
-    for test in self.tests:
+    for test in self.tests_repos:
       test_name = test.GetName()
       if not name or name.match(test_name):
         full_path = current_path + [test_name]
@@ -875,8 +875,11 @@ def ListTests(self, current_path, path, context, arch, mode):
     return result
 
   def GetTestStatus(self, context, sections, defs):
-    for test in self.tests:
-      test.GetTestStatus(context, sections, defs)
+    # Just read the test configuration from root_path/root.status.
+    root = TestConfiguration(context, self.test_root, 'root')
+    root.GetTestStatus(sections, defs)
+    for tests_repos in self.tests_repos:
+      tests_repos.GetTestStatus(context, sections, defs)
 
 
 TIMEOUT_SCALEFACTOR = {
@@ -1198,23 +1201,18 @@ def __init__(self, sections, defs):
     self.defs = defs
 
   def ClassifyTests(self, cases, env):
-    sections = [s for s in self.sections if s.condition.Evaluate(env, self.defs)]
+    sections = [ s for s in self.sections if s.condition.Evaluate(env, self.defs) ]
     all_rules = reduce(list.__add__, [s.rules for s in sections], [])
     unused_rules = set(all_rules)
-    result = [ ]
-    all_outcomes = set([])
+    result = []
     for case in cases:
       matches = [ r for r in all_rules if r.Contains(case.path) ]
-      outcomes = set([])
-      for rule in matches:
-        outcomes = outcomes.union(rule.GetOutcomes(env, self.defs))
-        unused_rules.discard(rule)
-      if not outcomes:
-        outcomes = [PASS]
-      case.outcomes = outcomes
-      all_outcomes = all_outcomes.union(outcomes)
-      result.append(ClassifiedTest(case, outcomes))
-    return (result, list(unused_rules), all_outcomes)
+      outcomes_list = [ r.GetOutcomes(env, self.defs) for r in matches ]
+      outcomes = reduce(set.union, outcomes_list, set())
+      unused_rules.difference_update(matches)
+      case.outcomes = set(outcomes) or set([PASS])
+      result.append(case)
+    return result, unused_rules
 
 
 class Section(object):
@@ -1552,7 +1550,7 @@ def Main():
   repositories = [TestRepository(join(workspace, 'test', name)) for name in suites]
   repositories += [TestRepository(a) for a in options.suite]
 
-  root = LiteralTestSuite(repositories)
+  root = LiteralTestSuite(repositories, test_root)
   paths = ArgsToTestPaths(test_root, args, suites)
 
   # Check for --valgrind option. If enabled, we overwrite the special
@@ -1623,8 +1621,7 @@ def Main():
         }
         test_list = root.ListTests([], path, context, arch, mode)
         unclassified_tests += test_list
-        (cases, unused_rules, _) = (
-            config.ClassifyTests(test_list, env))
+        cases, unused_rules = config.ClassifyTests(test_list, env)
         if globally_unused_rules is None:
           globally_unused_rules = set(unused_rules)
         else:
@@ -1671,7 +1668,7 @@ def should_keep(case):
       return False
     elif SKIP in case.outcomes:
       return False
-    elif (options.flaky_tests == SKIP) and (set([FLAKY]) & case.outcomes):
+    elif (options.flaky_tests == SKIP) and (set([SLOW, FLAKY]) & case.outcomes):
       return False
     else:
       return True