Bug 421411, fix up runMozillaTests (migrating nightlies to automation), r=rhelmer

tools/release/configs/fx-moz19-nightly-bootstrap.cfg

@@ -87,5 +87,6 @@ win32_symbolServerKey  = /c/Documents and Settings/cltbld/.ssh/ffxbld_dsa
 linux_symbolServerKey  = /home/cltbld/.ssh/ffxbld_dsa
 macosx_symbolServerKey  = /Users/cltbld/.ssh/ffxbld_dsa
 useCvsCompression = 1
+runMozillaTests  = 1
 testsPhoneHome   = 0
 bootstrapTag     = RELEASE_AUTOMATION_M8