Fix lint issues: use underscore prefix for unused param and add equals signs to nf-test.config

Author: Seqera AI

main.nf

@@ -61,7 +61,7 @@ workflow {
 
     XENGSORT_SUMMARY(
         XENGSORT_CLASSIFY.out.classification
-            .map { meta, classification_file -> classification_file }
+            .map { _meta, classification_file -> classification_file }
             .collect()
     )
 

nf-test.config

@@ -1,8 +1,8 @@
 config {
 
-    testsDir "test_minimal"
-    workDir ".nf-test"
-    configFile "test_minimal/nextflow.config"
-    profile ""
+    testsDir = "test_minimal"
+    workDir = ".nf-test"
+    configFile = "test_minimal/nextflow.config"
+    profile = ""
 
 }