Fix issue when firing TimerProc() destroys timer

testing/resources/bug_634394.in

Index: testing/resources/bug_634394.in
diff --git a/testing/resources/bug_551248.in b/testing/resources/bug_634394.in
similarity index 81%
copy from testing/resources/bug_551248.in
copy to testing/resources/bug_634394.in
index c577824873777fffee9f6a42dda0d31b07b32ff1..528b4637da314def9192be2c71d081a63b45ce82 100644
--- a/testing/resources/bug_551248.in
+++ b/testing/resources/bug_634394.in
@@ -65,14 +65,16 @@ endobj
 {{object 50 0}} <<
 >>
 stream
+var timer = app.setTimeOut("fireTimeOut()", 3000);
+var interval = app.setInterval("fireInterval()", 1000);
 function fireTimeOut() {
-  app.alert("timer fired");
+  app.alert("goodbye world");
+  app.clearInterval(interval);
 }
 function fireInterval() {
-  app.alert("interval fired");
+  app.alert("hello world");
+  app.clearInterval(interval);
 }
-app.setTimeOut("fireTimeOut()", 3000);
-app.setInterval("fireInterval()", 2000);
 endstream
 endobj
 {{xref}}