Fix failing test

Signed-off-by: Ben Sherman <bentshermann@gmail.com>

Author: bentsherman

docs/developer/index.md

@@ -137,6 +137,13 @@ cd tests/checks
 ./qrun.sh
 ```
 
+To run a specific integration test:
+
+```bash
+cd tests/checks
+./qrun.sh <folder>
+```
+
 To test the documentation snippets:
 
 ```bash

tests/config-secrets.nf

@@ -1,4 +1,4 @@
 
 workflow {
-    log.info "outputDir: ${workflow.outputDir.name}"
+    println "outputDir: ${workflow.outputDir.name}"
 }