Fix selftests hanging due to pauseAtStart default true

* selftest-crawler-beans.cxml
    make selftests not pauseAtStart

engine/testdata/selftest/conf/selftest-crawler-beans.cxml

@@ -20,8 +20,9 @@
 
 metadata.operatorContactUrl=@@URL_VALUE@@
 seeds.textSource.value=@@SEEDS_VALUE@@
-# only self-crawling, so go fast
-frontier.maxDelayMs=50
+# only self-crawling, so go fast and avoid pause-at-start
+frontier.maxDelayMs=50
+crawlController.pauseAtStart=false
 @@MORE_PROPERTIES@@
 
    </value>