Issue 5447. Wern when concrete class has unimplemented members

compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java

Index: compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java
diff --git a/compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java b/compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java
index 2bc7035e715305843a0bd8caa7bb1758950185e3..e90328846330fb6dbdb75b77bed091385f8bac08 100644
--- a/compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java
+++ b/compiler/javatests/com/google/dart/compiler/parser/SyntaxTest.java
@@ -59,7 +59,7 @@ public class SyntaxTest extends AbstractParserTest {
         "import;"),
         ParserErrorCode.EXPECTED_TOKEN, 2, 7);
     DartImportDirective dir = (DartImportDirective) unit.getDirectives().get(1);
-    System.out.println(dir.toSource());
+    assertEquals("import ;\n", dir.toSource());
   }
 
   public void test_getter() {