Update conf/test.config

Co-authored-by: Phil Ewels <phil.ewels@scilifelab.se>

conf/test.config

@@ -38,5 +38,5 @@ config_profile_name = 'Hi-C test data from Schalbetter et al. (2017)'
   max_insert_size = 600
   
   // Options
-  skipCool = true
+  skip_cool = true
 }