Update debugging_profiling_testing.adoc

Fixed broken link.

src/docs/asciidoc/sdk/debugging_profiling_testing.adoc

@@ -54,7 +54,7 @@ See also:
 
 *  link:http://netbeans.org/kb/docs/java/junit-intro.html[Writing JUnit Tests]
 *  link:http://www.junit.org[http://www.junit.org]
-*  link:http://download.oracle.com/javase/1.4.2/docs/guide/lang/assert.html[Java Assertions]
+*  link:https://docs.oracle.com/javase/7/docs/technotes/guides/language/assert.html[Java Assertions]
 
 
 == Debugging