=htp a few small things that got lost in the #17988 merge

akka-http-tests-java8/src/test/java/AllJavaTests.java

@@ -3,12 +3,14 @@
  */
 
 import akka.http.javadsl.server.HandlerBindingTest;
+import docs.http.javadsl.server.HandlerExampleDocTest;
 import org.junit.runner.RunWith;
 import org.junit.runners.Suite;
 
 @RunWith(Suite.class)
 @Suite.SuiteClasses({
-  HandlerBindingTest.class
+        HandlerBindingTest.class,
+        HandlerExampleDocTest.class
 })
 public class AllJavaTests {
 }