Eliminate standalone timeout_test, pass_test, and fail_test.

tests/standalone/standalone.status

Index: tests/standalone/standalone.status
diff --git a/tests/standalone/standalone.status b/tests/standalone/standalone.status
index fba769c6ad792059306a82e167671dfddc0375b2..97933b975b6f379e166ae3bb3f19f3f71364c7e0 100644
--- a/tests/standalone/standalone.status
+++ b/tests/standalone/standalone.status
@@ -2,9 +2,6 @@
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
-test_runner_test: Skip  # Issue 3216: Occasionally fails and leads to runaway processes.
-timeout_test: Skip  # Timeout test for testing the test runner.
-fail_test: Fail, OK # Fails intentionally
 out_of_memory_test: Skip # Issue 2345
 
 package/invalid_uri_test: Fail, OK # Fails intentionally
@@ -64,7 +61,6 @@ medium_integer_test: Fail # Issue 1146.
 [ $compiler == dart2js ]
 medium_integer_test: Fail, OK # cannot resolve type Mint
 io/test_extension_test: Fail, OK # dart-ext:test_extension: Illegal argument(s): dart-ext:test_extension
-io/test_runner_test: Fail, OK # library not found dart:builtin
 
 [ $compiler == dart2js && $runtime == d8 ]
 assert_test: Fail # Assert not implemented
@@ -75,7 +71,6 @@ io/http_parser_test: Fail, OK # ByteArray
 io/options_test: Fail, OK # Cannot pass options to d8.
 
 [ $compiler == dart2js && $runtime == none ]
-fail_test: Skip # fails only at runtime, overrides default expectation from standalone.status
 io/options_test: Fail
 
 [$compiler == dart2js && $browser ]