Remove "static" caused by bad merge.

tests/corelib/date_time_test.dart

 // Copyright (c) 2012, 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.
 
 import "package:expect/expect.dart";
 
 // Dart test program for DateTime.
 
 // Tests if the time moves eventually forward.
 void testNow() {
@@ skipping 590 matching lines @@
                     dtBase1.minute, dtBase1.second, dtBase1.millisecond);
   Expect.equals(dtBase1.year - 2, dtTick.year);
   Expect.equals(dtBase1.month, dtTick.month);
   Expect.equals(dtBase1.day, dtTick.day);
   Expect.equals(dtBase1.hour, dtTick.hour);
   Expect.equals(dtBase1.minute, dtTick.minute);
   Expect.equals(dtBase1.second, dtTick.second);
   Expect.equals(dtBase1.millisecond, dtTick.millisecond);
 }
 
-static void testDateStrings() {
+void testDateStrings() {
   // TODO(floitsch): Clean up the DateTime API that deals with strings.
   var dt1 = DateTime.parse("2011-05-11 18:58:35Z");
   Expect.equals(1305140315000, dt1.millisecondsSinceEpoch);
   Expect.isTrue(dt1.isUtc);
   dt1 = DateTime.parse("20110511 18:58:35z");
   Expect.equals(1305140315000, dt1.millisecondsSinceEpoch);
   Expect.isTrue(dt1.isUtc);
   dt1 = DateTime.parse("+20110511 18:58:35z");
   Expect.equals(1305140315000, dt1.millisecondsSinceEpoch);
   Expect.isTrue(dt1.isUtc);
@@ skipping 297 matching lines @@
   testChangeTimeZone();
   testSubAdd();
   testUnderflowAndOverflow();
   testDateStrings();
   testEquivalentYears();
   testExtremes();
   testFarAwayDates();
   testWeekday();
   testToStrings();
 }