Reduce test time so that it is easier to run on OISTs short queue

Author: charles-plessy

conf/test.config

@@ -17,7 +17,7 @@ params {
     // Limit resources so that this can run on GitHub Actions
     max_cpus   = 2
     max_memory = '6.GB'
-    max_time   = '6.h'
+    max_time   = '1.h'
 
     // Input data
     // TODO nf-core: Specify the paths to your test data on nf-core/test-datasets