disable browser_526613.js

browser/components/sessionstore/test/browser/Makefile.in

@@ -45,6 +45,8 @@ relativesrcdir  = browser/components/sessionstore/test/browser
 include $(DEPTH)/config/autoconf.mk
 include $(topsrcdir)/config/rules.mk
 
+# browser_526613.js is disabled because of frequent failures (bug 534489)
+
 _BROWSER_TEST_FILES = \
 	browser_248970_a.js \
 	browser_248970_b.js \
@@ -108,7 +110,6 @@ _BROWSER_TEST_FILES = \
 	browser_495495.js \
 	browser_514751.js \
 	browser_522545.js \
-	browser_526613.js \
 	browser_528776.js \
 	$(NULL)