Format all tests.

tests/corelib/string_substring_test.dart

Index: tests/corelib/string_substring_test.dart
diff --git a/tests/corelib/string_substring_test.dart b/tests/corelib/string_substring_test.dart
index 7fd9091034d379b6bddffaef1f60732c7af7f00d..883dd46acffaf70cc4d67b37063b4afa279fff19 100644
--- a/tests/corelib/string_substring_test.dart
+++ b/tests/corelib/string_substring_test.dart
@@ -7,33 +7,25 @@ import "package:expect/expect.dart";
 main() {
   // Test that not providing an optional argument goes to the end.
   Expect.equals("".substring(0), "");
-  Expect.throws(() => "".substring(1),
-      (e) => e is RangeError);
-  Expect.throws(() => "".substring(-1),
-      (e) => e is RangeError);
+  Expect.throws(() => "".substring(1), (e) => e is RangeError);
+  Expect.throws(() => "".substring(-1), (e) => e is RangeError);
 
   Expect.equals("abc".substring(0), "abc");
   Expect.equals("abc".substring(1), "bc");
   Expect.equals("abc".substring(2), "c");
   Expect.equals("abc".substring(3), "");
-  Expect.throws(() => "abc".substring(4),
-      (e) => e is RangeError);
-  Expect.throws(() => "abc".substring(-1),
-      (e) => e is RangeError);
+  Expect.throws(() => "abc".substring(4), (e) => e is RangeError);
+  Expect.throws(() => "abc".substring(-1), (e) => e is RangeError);
 
   // Test that providing null goes to the end.
   Expect.equals("".substring(0, null), "");
-  Expect.throws(() => "".substring(1, null),
-      (e) => e is RangeError);
-  Expect.throws(() => "".substring(-1, null),
-      (e) => e is RangeError);
+  Expect.throws(() => "".substring(1, null), (e) => e is RangeError);
+  Expect.throws(() => "".substring(-1, null), (e) => e is RangeError);
 
   Expect.equals("abc".substring(0, null), "abc");
   Expect.equals("abc".substring(1, null), "bc");
   Expect.equals("abc".substring(2, null), "c");
   Expect.equals("abc".substring(3, null), "");
-  Expect.throws(() => "abc".substring(4, null),
-      (e) => e is RangeError);
-  Expect.throws(() => "abc".substring(-1, null),
-      (e) => e is RangeError);
+  Expect.throws(() => "abc".substring(4, null), (e) => e is RangeError);
+  Expect.throws(() => "abc".substring(-1, null), (e) => e is RangeError);
 }