--- a/graal/com.oracle.truffle.sl.test/src/com/oracle/truffle/sl/test/SLTckTest.java	Wed May 27 10:18:54 2015 +0200
+++ b/graal/com.oracle.truffle.sl.test/src/com/oracle/truffle/sl/test/SLTckTest.java	Wed May 27 10:49:06 2015 +0200
@@ -41,18 +41,25 @@
     @Override
     protected TruffleVM prepareVM() throws Exception {
         TruffleVM vm = TruffleVM.newVM().build();
-        vm.eval("application/x-sl", // your langage
-                        "function fourtyTwo() {\n" + // your script
-                                        "  return 42;\n" + //
-                                        "}\n" + //
-                                        "function plus(a, b) {\n" + //
-                                        "  return a + b;\n" + //
-                                        "}\n" //
+        // @formatter:off
+        vm.eval("application/x-sl",
+            "function fourtyTwo() {\n" +
+            "  return 42;\n" +
+            "}\n" +
+            "function plus(a, b) {\n" +
+            "  return a + b;\n" +
+            "}\n"
         );
+        // @formatter:on
         return vm;
     }
 
     @Override
+    protected String mimeType() {
+        return "application/x-sl";
+    }
+
+    @Override
     protected String fourtyTwo() {
         return "fourtyTwo";
     }
@@ -61,4 +68,15 @@
     protected String plusInt() {
         return "plus";
     }
+
+    @Override
+    protected String invalidCode() {
+        // @formatter:off
+        return
+            "f unction main() {\n" +
+            "  retu rn 42;\n" +
+            "}\n";
+        // @formatter:on
+    }
+
 }