Format all tests.

tests/language/integer_division_by_zero_test.dart

Index: tests/language/integer_division_by_zero_test.dart
diff --git a/tests/language/integer_division_by_zero_test.dart b/tests/language/integer_division_by_zero_test.dart
index defb6cb0edb82ede41e4c020c4a9437db021067f..03cd66101cd3e8b14406d61d3c9305e17c267a58 100644
--- a/tests/language/integer_division_by_zero_test.dart
+++ b/tests/language/integer_division_by_zero_test.dart
@@ -10,6 +10,5 @@ import "package:expect/expect.dart";
 divBy0(a) => a ~/ 0;
 
 main() {
-  Expect.throws(() => divBy0(4),
-                (e) => e is IntegerDivisionByZeroException);
+  Expect.throws(() => divBy0(4), (e) => e is IntegerDivisionByZeroException);
 }