Revert "Update the test runner to use the new dart:io API"

tests/standalone/standalone.status

Index: tests/standalone/standalone.status
diff --git a/tests/standalone/standalone.status b/tests/standalone/standalone.status
index 1bdaa2b8525a6b357cc07f1882c07bec4605c781..15e6e36305ca83c517c71944e426403e85818246 100644
--- a/tests/standalone/standalone.status
+++ b/tests/standalone/standalone.status
@@ -4,8 +4,17 @@
 
 package/invalid_uri_test: Fail, OK # Fails intentionally
 
+[ $runtime == vm ]
+# Temporarily disabled until the test scripts are rewritten for
+# dart:io v2.
+io/skipping_dart2js_compilations_test: skip # Non-fatal process error.
+io/status_file_parser_test: fail
+io/test_runner_exit_code_test: fail
+io/test_runner_test: fail
+
 [ $compiler == dartc ]
 io/skipping_dart2js_compilations_test: Fail  # Date-to-DateTime renaming. Also fails on VM above.
+io/test_runner_test: Fail  # Date-to-DateTime renaming. Also fails on vm above.
 
 
 [ $runtime == vm && ( $system == windows ) ]