Format all tests.

tests/language/memory_swap_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Test that the ParalleMoveResolver in the VM uses valid registers
 // when requiring scratch registers.
 
 main() {
   // Iterate enough to ensure optimizing `spillingMethod`.
   for (int i = 0; i < 100000; i++) {
@@ skipping 47 matching lines @@
     q = r;
     r = q;
     s = t;
     t = s;
     u = v;
     v = u;
     what++;
   }
 
   // Keep all variables alive.
-  return a + b + c + d + e + f + g + h + i + j + k + l + m + n + o
-       + p + q + r + s + t + u + v;
+  return a +
+      b +
+      c +
+      d +
+      e +
+      f +
+      g +
+      h +
+      i +
+      j +
+      k +
+      l +
+      m +
+      n +
+      o +
+      p +
+      q +
+      r +
+      s +
+      t +
+      u +
+      v;
 }