add local executor for tiny process to test conf to reduce pending time in slurm

conf/test.config

@@ -18,6 +18,7 @@ process {
         memory = { 2.GB * task.attempt }
     }
     withName: MULTIQC {
+        executor = "local"
         memory = { 2.GB * task.attempt }
     }
     withName: HOST_FILTER {
@@ -64,6 +65,7 @@ process {
         memory = { 10.GB * task.attempt }
     }
     withName: GET_SOFTWARE_VERSIONS {
+        executor = "local"
         memory = { 1.GB * task.attempt }
     }
     withName: EGGNOG_MAPPER_DB {
@@ -94,5 +96,18 @@ process {
         memory = { 30.GB * task.attempt }
         cpus = 20
     }
-    
+    withLabel: MERGE_KAIJU {
+        memory = { 1.GB * task.attempt }
+        cpus = 1
+        executor = "local"
+    }
+    withLabel: KAIJU_TO_KRONA {
+        memory = { 1.GB * task.attempt }
+        cpus = 1
+        executor = "local"
+    }
+        withLabel: QUANTIFICATION {
+        memory = { 1.GB * task.attempt }
+        executor = "local"
+    }
 }