Fixing some tests in internal test suite.

tests/jerry-test-suite/12/12.08/12.08-004.js

@@ -23,6 +23,8 @@ function main()
 
       sum += 1;
     }
+
+  assert(sum === 100);
 }
 
-assert(sum === 100);
+main ();

tests/jerry-test-suite/12/12.11/12.11-003.js

@@ -16,7 +16,7 @@ switch (1) {
   case true:
     assert(false);
   case false:
-    break;
-  default:
     assert(false);
+  default:
+    assert(true);
 }