diff --git a/tests/modules/bamtools/split/main.nf b/tests/modules/bamtools/split/main.nf
index 9f30c4f9..2fc16d67 100644
--- a/tests/modules/bamtools/split/main.nf
+++ b/tests/modules/bamtools/split/main.nf
@@ -4,11 +4,21 @@ nextflow.enable.dsl = 2
 
 include { BAMTOOLS_SPLIT } from '../../../../modules/bamtools/split/main.nf'
 
-workflow test_bamtools_split {
+workflow test_bamtools_split_single_input {
 
     input = [
         [ id:'test', single_end:false ], // meta map
         file(params.test_data['homo_sapiens']['illumina']['test_paired_end_sorted_bam'], checkIfExists: true) ]
 
-    BAMTOOLS_SPLIT ( input, [] )
+    BAMTOOLS_SPLIT ( input )
+}
+
+workflow test_bamtools_split_multiple_input {
+
+    input = [
+        [ id:'test', single_end:false ], // meta map
+        [file(params.test_data['homo_sapiens']['illumina']['test_paired_end_sorted_bam'], checkIfExists: true), file(params.test_data['homo_sapiens']['illumina']['test2_paired_end_sorted_bam'], checkIfExists: true)]
+    [
+
+    BAMTOOLS_SPLIT ( input )
 }