Revert "Format all multitests"

tests/language/toplevel_collision1_test.dart

Index: tests/language/toplevel_collision1_test.dart
diff --git a/tests/language/toplevel_collision1_test.dart b/tests/language/toplevel_collision1_test.dart
index f8d97c4b1eabb95dd7f7b7760a27826488d7928e..1582c232e0c66e1222a860059873ac7871920cfc 100644
--- a/tests/language/toplevel_collision1_test.dart
+++ b/tests/language/toplevel_collision1_test.dart
@@ -9,6 +9,7 @@ set x(var i) { print(i); } //     //# 01: compile-time error
 
 int x(a, b) { print(a + b); } //  //# 02: compile-time error
 
+
 void main() {
   // No need to reference x.
 }