Fixing some tests from internal test suite.

tests/jerry-test-suite/11/11.04/11.04.01/11.04.01-010.js

@@ -12,4 +12,4 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-assert((delete arguments) == false);
+assert((delete arguments) == true);

tests/jerry-test-suite/11/11.06/11.06.02/11.06.02-014.js

@@ -12,4 +12,4 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-assert((("1" - new String("1") !== 0) || (new String("1") - 1 !== 0)))
+assert(!((("1" - new String("1") !== 0) || (new String("1") - 1 !== 0))))

tests/jerry-test-suite/12/12.06/12.06.02/12.06.02-002.js

@@ -16,6 +16,6 @@ var cnt = 0;
 
 while (1) {
   cnt++;
-  if (cnd === 10)
+  if (cnt === 10)
     break;
 }