Implement @runtime-error in co19 tests for static analysis (no runtime)

tools/testing/dart/test_suite.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.
 
 /**
  * Classes and methods for enumerating and preparing tests.
  *
  * This library includes:
  *
  * - Creating tests by listing all the Dart files in certain directories,
@@ skipping 732 matching lines @@
       case 'frogsh':
       case 'dart2js':
       case 'dartc':
         return 'text/javascript';
       default:
         Expect.fail('Non-web runtime, so no scriptType for: ' +
             '${configuration["compiler"]}');
         return null;
     }
   }
+  
+  String get hasRuntime() {
+    switch(configuration['runtime']) {
+      case null:
+        Expect.fail("configuration['runtime'] is not set");
+      case 'none':
+        return false;
+      default:
+        return true;
+    }
+  }
 
   String getHtmlName(String filename) {
     return filename.replaceAll('/', '_').replaceAll(':', '_')
         .replaceAll('\\', '_') + configuration['compiler'] + '-' +
         configuration['runtime'] + '.html';
   }
 
   String get dumpRenderTreeFilename() {
     if (configuration['drt'] != '') {
       return configuration['drt'];
@@ skipping 126 matching lines @@
       }
       isStaticClean = true;
     }
 
     List<String> otherScripts = new List<String>();
     matches = otherScriptsRegExp.allMatches(contents);
     for (var match in matches) {
       otherScripts.addAll(match[1].split(' ').filter((e) => e != ''));
     }
 
-    if (contents.contains("@compile-error") ||
-        contents.contains("@runtime-error")) {
+    if (contents.contains("@compile-error")) {
+      isNegative = true;
+    }
+    
+    if (contents.contains("@runtime-error") && hasRuntime) {
       isNegative = true;
     }
 
     bool isMultitest = multiTestRegExp.hasMatch(contents);
     bool containsLeadingHash = leadingHashRegExp.hasMatch(contents);
     Match isolateMatch = isolateStubsRegExp.firstMatch(contents);
     String isolateStubs = isolateMatch != null ? isolateMatch[1] : '';
     bool containsDomImport = domImportRegExp.hasMatch(contents);
     bool isLibraryDefinition = libraryDefinitionRegExp.hasMatch(contents);
     bool containsSourceOrImport = sourceOrImportRegExp.hasMatch(contents);
@@ skipping 425 matching lines @@
  * $noCrash tests are expected to be flaky but not crash
  * $pass tests are expected to pass
  * $failOk tests are expected to fail that we won't fix
  * $fail tests are expected to fail that we should fix
  * $crash tests are expected to crash that we should fix
  * $timeout tests are allowed to timeout
 """;
     print(report);
    }
 }