More String + elimination in tests

tests/standalone/status_expression_test.dart

 // Copyright (c) 2011, 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.
 
 #library("StatusExpressionTest");
 
 #import("../../tools/testing/dart/status_expression.dart");
 
 
 class StatusExpressionTest {
@@ skipping 24 matching lines @@
     environment["arch"] = "dartc";
     environment["mode"] = "debug";
     Expect.isTrue(ast.evaluate(environment));
     environment["mode"] = "release";
     Expect.isFalse(ast.evaluate(environment));
     environment["arch"] = "ia32";
     Expect.isFalse(ast.evaluate(environment));
     environment["mode"] = "debug";
     Expect.isFalse(ast.evaluate(environment));
     environment["arch"] = "chromium";
-    Expect.isTrue(ast.evaluate(environment));    
+    Expect.isTrue(ast.evaluate(environment));
   }
 
   static void test2() {
     Tokenizer tokenizer = new Tokenizer(
         @"($arch == dartc || $arch == chromium) && $mode == release");
     tokenizer.tokenize();
     Expect.listEquals(
         tokenizer.tokens,
         ["(", "\$", "arch", "==", "dartc", "||", "\$", "arch", "==",
         "chromium", ")", "&&", "\$", "mode", "==", "release"]);
   }
-      
+
   static void test3() {
     var thrown;
     String input = @" $mode == debug && ($arch==chromium || *$arch == dartc)";
     Tokenizer tokenizer = new Tokenizer(input);
     try {
       tokenizer.tokenize();
     } catch (Exception e) {
       thrown = e;
     }
     Expect.equals("Syntax error in '$input'", thrown.toString());
   }
 
   static void test4() {
     var thrown;
     String input =
         @"($arch == (-dartc || $arch == chromium) && $mode == release";
     Tokenizer tokenizer = new Tokenizer(input);
     try {
       tokenizer.tokenize();
     } catch (Exception e) {
       thrown = e;
     }
     Expect.equals("Syntax error in '$input'", thrown.toString());
   }
 
   static void test5() {
     Tokenizer tokenizer = new Tokenizer(
-        @"Skip , Pass if $arch == dartc, Fail || Timeout if " +
+        @"Skip , Pass if $arch == dartc, Fail || Timeout if "
         @"$arch == chromium && $mode == release");
     tokenizer.tokenize();
     ExpressionParser parser =
         new ExpressionParser(new Scanner(tokenizer.tokens));
     SetExpression ast = parser.parseSetExpression();
     Expect.equals(
-        @"((skip || (pass if ($arch == dartc))) || ((fail || timeout) " +
+        @"((skip || (pass if ($arch == dartc))) || ((fail || timeout) "
         @"if (($arch == chromium) && ($mode == release))))",
         ast.toString());
 
     // Test SetExpression.evaluate().
     Map environment = new Map();
     environment["arch"] = "ia32";
     environment["checked"] = true;
     environment["mode"] = "debug";
     Set<String> result = ast.evaluate(environment);
     Expect.setEquals(["skip"], result);
@@ skipping 30 matching lines @@
     Expect.isTrue(ast.evaluate(environment));
     environment["mode"] = "release";
     Expect.isTrue(ast.evaluate(environment));
     environment["checked"] = false;
     Expect.isTrue(ast.evaluate(environment));
     environment["mode"] = "debug";
     Expect.isFalse(ast.evaluate(environment));
     environment["arch"] = "arm";
     Expect.isFalse(ast.evaluate(environment));
     environment["checked"] = true;
-    Expect.isFalse(ast.evaluate(environment));    
+    Expect.isFalse(ast.evaluate(environment));
   }
-}  
+}
 
 main() {
   StatusExpressionTest.testMain();
 }