Format all tests.

tests/standalone/io/stdio_nonblocking_test.dart

Index: tests/standalone/io/stdio_nonblocking_test.dart
diff --git a/tests/standalone/io/stdio_nonblocking_test.dart b/tests/standalone/io/stdio_nonblocking_test.dart
index d788fb5d71e98dd6dc1780c0a9e4309a005a6612..7600c6e7444d4a53f7891a95038dc029e01ca0af 100644
--- a/tests/standalone/io/stdio_nonblocking_test.dart
+++ b/tests/standalone/io/stdio_nonblocking_test.dart
@@ -12,12 +12,12 @@ import "package:expect/expect.dart";
 void main() {
   var script =
       Platform.script.resolve("stdio_nonblocking_script.dart").toFilePath();
-  Process.run(Platform.executable,
-              [script],
-              stdoutEncoding: ASCII,
-              stderrEncoding: ASCII).then((result) {
-                  print(result.stdout);
-                  print(result.stderr);
+  Process
+      .run(Platform.executable, [script],
+          stdoutEncoding: ASCII, stderrEncoding: ASCII)
+      .then((result) {
+    print(result.stdout);
+    print(result.stderr);
     Expect.equals(1, result.exitCode);
     Expect.equals('stdout\n\ntuodts\nABCDEFGHIJKLM\n', result.stdout);
     Expect.equals('stderr\n\nrredts\nABCDEFGHIJKLM\n', result.stderr);