diff --git a/modules/nf-core/gnu/sort/environment.yml b/modules/nf-core/gnu/sort/environment.yml
index 45d2335684f..5c4eb9d173b 100644
--- a/modules/nf-core/gnu/sort/environment.yml
+++ b/modules/nf-core/gnu/sort/environment.yml
@@ -1,4 +1,4 @@
-name: GNU_SORT
+name: gnu_sort
 channels:
   - conda-forge
   - bioconda
diff --git a/modules/nf-core/gnu/sort/main.nf b/modules/nf-core/gnu/sort/main.nf
index 108a70a8c1e..d0560ee2ede 100644
--- a/modules/nf-core/gnu/sort/main.nf
+++ b/modules/nf-core/gnu/sort/main.nf
@@ -34,7 +34,6 @@ process GNU_SORT {
     """
 
     stub:
-    def args        = task.ext.args     ?: ''
     def prefix      = task.ext.prefix   ?: "${meta.id}"
     suffix          = task.ext.suffix   ?: "${input.extension}"
     output_file     = "${prefix}.${suffix}"
@@ -42,7 +41,7 @@ process GNU_SORT {
 
     if ("$input" == "$output_file") error "Input and output names are the same, use \"task.ext.prefix\" to disambiguate!"
     """
-    sort ${args} ${input} > ${output_file}
+    touch ${output_file}
 
     cat <<-END_VERSIONS > versions.yml
     "${task.process}":
diff --git a/modules/nf-core/gnu/sort/meta.yml b/modules/nf-core/gnu/sort/meta.yml
index 014bcd524b8..9d961750c64 100644
--- a/modules/nf-core/gnu/sort/meta.yml
+++ b/modules/nf-core/gnu/sort/meta.yml
@@ -1,4 +1,4 @@
-name: "GNU_SORT"
+name: "gnu_sort"
 description: |
   Writes a sorted concatenation of file/s
 keywords:
diff --git a/modules/nf-core/gnu/sort/tests/main.nf.test b/modules/nf-core/gnu/sort/tests/main.nf.test
new file mode 100644
index 00000000000..e40301871b5
--- /dev/null
+++ b/modules/nf-core/gnu/sort/tests/main.nf.test
@@ -0,0 +1,120 @@
+nextflow_process {
+
+    name "Test Process GNU_SORT"
+    script "modules/nf-core/gnu/sort/main.nf"
+    process "GNU_SORT"
+
+    tag "modules"
+    tag "modules_nfcore"
+    tag "gnu"
+    tag "gnu/sort"
+
+    test("unsorted_genome_sort") {
+        config "./sort_simple_bed.config"
+
+        when {
+            process {
+                """
+                input[0] = [
+                                [id:'genome_test'],
+                                file(params.test_data['generic']['unsorted_data']['unsorted_text']['genome_file'],
+                                checkIfExists: true)
+                            ]
+                """
+            }
+        }
+
+        then {
+            assertAll (
+                { assert process.success },
+                { assert snapshot(process.out).match() },
+                { assert snapshot(
+                            file(process.out.sorted[0][1]).name
+                                ).match("genome_sort")
+                }
+            )
+        }
+
+    }
+
+    test("unsorted_intervals_sort") {
+        config "./sort_simple_bed.config"
+        when {
+            process {
+                """
+                input[0] = [
+                                [id:'test'],
+                                file(params.test_data['generic']['unsorted_data']['unsorted_text']['intervals'],
+                                checkIfExists: true)
+                            ]
+                """
+            }
+        }
+
+        then {
+            assertAll (
+                { assert process.success },
+                { assert snapshot(process.out).match() },
+                { assert snapshot(
+                            file(process.out.sorted[0][1]).name
+                                ).match("interval_sort")
+                }
+            )
+        }
+
+    }
+
+    test("unsorted_csv_sort") {
+        config "./sort_complex.config"
+
+        when {
+            process {
+                """
+                input[0] = [
+                                [id:'test'],
+                                file(params.test_data['generic']['unsorted_data']['unsorted_text']['numbers_csv'],
+                                checkIfExists: true)
+                            ]
+                """
+            }
+        }
+
+        then {
+            assertAll (
+                { assert process.success },
+                { assert snapshot(process.out).match() },
+                { assert snapshot(
+                            file(process.out.sorted[0][1]).name
+                                ).match("csv_sort")
+                }
+            )
+        }
+
+    }
+
+    test("unsorted_csv_sort_stub") {
+        config "./sort_complex.config"
+        options "-stub"
+
+        when {
+            process {
+                """
+                input[0] = [
+                                [id:'test'],
+                                file(params.test_data['generic']['unsorted_data']['unsorted_text']['numbers_csv'],
+                                checkIfExists: true)
+                            ]
+                """
+            }
+        }
+
+        then {
+            assertAll (
+                { assert process.success },
+                { assert snapshot(process.out).match() },
+            )
+        }
+
+    }
+
+}
diff --git a/modules/nf-core/gnu/sort/tests/main.nf.test.snap b/modules/nf-core/gnu/sort/tests/main.nf.test.snap
new file mode 100644
index 00000000000..fc20d872486
--- /dev/null
+++ b/modules/nf-core/gnu/sort/tests/main.nf.test.snap
@@ -0,0 +1,136 @@
+{
+    "unsorted_csv_sort": {
+        "content": [
+            {
+                "0": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "test.csv.sorted:md5,0b52d1b4c4a0c6e972c6f94aafd75a1d"
+                    ]
+                ],
+                "1": [
+                    "versions.yml:md5,8ebec31a85721157399cb4faab6e0d26"
+                ],
+                "sorted": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "test.csv.sorted:md5,0b52d1b4c4a0c6e972c6f94aafd75a1d"
+                    ]
+                ],
+                "versions": [
+                    "versions.yml:md5,8ebec31a85721157399cb4faab6e0d26"
+                ]
+            }
+        ],
+        "timestamp": "2024-02-22T13:57:33.598003"
+    },
+    "interval_sort": {
+        "content": [
+            "test.bed.sorted"
+        ],
+        "timestamp": "2024-02-22T13:57:25.5442"
+    },
+    "unsorted_csv_sort_stub": {
+        "content": [
+            {
+                "0": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "test.csv.sorted:md5,d41d8cd98f00b204e9800998ecf8427e"
+                    ]
+                ],
+                "1": [
+                    "versions.yml:md5,8ebec31a85721157399cb4faab6e0d26"
+                ],
+                "sorted": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "test.csv.sorted:md5,d41d8cd98f00b204e9800998ecf8427e"
+                    ]
+                ],
+                "versions": [
+                    "versions.yml:md5,8ebec31a85721157399cb4faab6e0d26"
+                ]
+            }
+        ],
+        "timestamp": "2024-02-22T13:57:41.490986"
+    },
+    "csv_sort": {
+        "content": [
+            "test.csv.sorted"
+        ],
+        "timestamp": "2024-02-22T13:57:33.62444"
+    },
+    "unsorted_genome_sort": {
+        "content": [
+            {
+                "0": [
+                    [
+                        {
+                            "id": "genome_test"
+                        },
+                        "genome_test.bed.sorted:md5,fd97f7efafdbbfa71d9b560f10b4b048"
+                    ]
+                ],
+                "1": [
+                    "versions.yml:md5,8ebec31a85721157399cb4faab6e0d26"
+                ],
+                "sorted": [
+                    [
+                        {
+                            "id": "genome_test"
+                        },
+                        "genome_test.bed.sorted:md5,fd97f7efafdbbfa71d9b560f10b4b048"
+                    ]
+                ],
+                "versions": [
+                    "versions.yml:md5,8ebec31a85721157399cb4faab6e0d26"
+                ]
+            }
+        ],
+        "timestamp": "2024-02-22T13:57:17.281092"
+    },
+    "genome_sort": {
+        "content": [
+            "genome_test.bed.sorted"
+        ],
+        "timestamp": "2024-02-22T13:57:17.340463"
+    },
+    "unsorted_intervals_sort": {
+        "content": [
+            {
+                "0": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "test.bed.sorted:md5,abbce903ef263d38b2f71856387799ab"
+                    ]
+                ],
+                "1": [
+                    "versions.yml:md5,8ebec31a85721157399cb4faab6e0d26"
+                ],
+                "sorted": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "test.bed.sorted:md5,abbce903ef263d38b2f71856387799ab"
+                    ]
+                ],
+                "versions": [
+                    "versions.yml:md5,8ebec31a85721157399cb4faab6e0d26"
+                ]
+            }
+        ],
+        "timestamp": "2024-02-22T13:57:25.514206"
+    }
+}
\ No newline at end of file
diff --git a/modules/nf-core/gnu/sort/tests/sort_complex.config b/modules/nf-core/gnu/sort/tests/sort_complex.config
new file mode 100644
index 00000000000..103eaaf6f33
--- /dev/null
+++ b/modules/nf-core/gnu/sort/tests/sort_complex.config
@@ -0,0 +1,6 @@
+process {
+    withName: GNU_SORT {
+        ext.args    = { "-t ';' -g -k 1,1 -k 2,2" }
+        ext.suffix  = { "csv.sorted" }
+    }
+}
\ No newline at end of file
diff --git a/modules/nf-core/gnu/sort/tests/sort_simple_bed.config b/modules/nf-core/gnu/sort/tests/sort_simple_bed.config
new file mode 100644
index 00000000000..d7d52e0f285
--- /dev/null
+++ b/modules/nf-core/gnu/sort/tests/sort_simple_bed.config
@@ -0,0 +1,6 @@
+process {
+    withName: GNU_SORT {
+        ext.args    = { "-k1,1 -k2,2n" }
+        ext.suffix  = { "bed.sorted" }
+    }
+}
\ No newline at end of file
diff --git a/modules/nf-core/gnu/sort/tests/sort_simple_genome.config b/modules/nf-core/gnu/sort/tests/sort_simple_genome.config
new file mode 100644
index 00000000000..4dcec385514
--- /dev/null
+++ b/modules/nf-core/gnu/sort/tests/sort_simple_genome.config
@@ -0,0 +1,6 @@
+process {
+    withName: GNU_SORT {
+        ext.args    = { "-k1,1 -k2,2n" }
+        ext.suffix  = { "genome.sorted" }
+    }
+}
\ No newline at end of file
diff --git a/modules/nf-core/gnu/sort/tests/tags.yml b/modules/nf-core/gnu/sort/tests/tags.yml
new file mode 100644
index 00000000000..ac40e376d2f
--- /dev/null
+++ b/modules/nf-core/gnu/sort/tests/tags.yml
@@ -0,0 +1,2 @@
+gnu/sort:
+  - "modules/nf-core/gnu/sort/**"
diff --git a/tests/config/pytest_modules.yml b/tests/config/pytest_modules.yml
index 81cbcd62e60..55559da7204 100644
--- a/tests/config/pytest_modules.yml
+++ b/tests/config/pytest_modules.yml
@@ -936,9 +936,6 @@ glimpse2/splitreference:
 glnexus:
   - modules/nf-core/glnexus/**
   - tests/modules/nf-core/glnexus/**
-gnu/sort:
-  - modules/nf-core/gnu/sort/**
-  - tests/modules/nf-core/gnu/sort/**
 goat/taxonsearch:
   - modules/nf-core/goat/taxonsearch/**
   - tests/modules/nf-core/goat/taxonsearch/**
diff --git a/tests/modules/nf-core/gnu/sort/main.nf b/tests/modules/nf-core/gnu/sort/main.nf
deleted file mode 100644
index a1e99556d91..00000000000
--- a/tests/modules/nf-core/gnu/sort/main.nf
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env nextflow
-
-nextflow.enable.dsl = 2
-include { GNU_SORT as GNU_SORT_A } from '../../../../../modules/nf-core/gnu/sort/main.nf'
-include { GNU_SORT as GNU_SORT_B } from '../../../../../modules/nf-core/gnu/sort/main.nf'
-include { GNU_SORT as GNU_SORT_C } from '../../../../../modules/nf-core/gnu/sort/main.nf'
-
-workflow test_gnu_sort {
-    
-    input_a = [
-        [id:'test'],
-        file(params.test_data['generic']['unsorted_data']['unsorted_text']['genome_file'],
-        checkIfExists: true)
-    ]
-
-    GNU_SORT_A ( input_a )
-
-    input_b = [
-        [id:'test'],
-        file(params.test_data['generic']['unsorted_data']['unsorted_text']['intervals'],
-        checkIfExists: true)
-    ]
-
-    GNU_SORT_B ( input_b )
-
-    input_c = [
-        [id:'test'],
-        file(params.test_data['generic']['unsorted_data']['unsorted_text']['numbers_csv'],
-        checkIfExists: true)
-    ]
-
-    GNU_SORT_C ( input_c )
-
-}
diff --git a/tests/modules/nf-core/gnu/sort/nextflow.config b/tests/modules/nf-core/gnu/sort/nextflow.config
deleted file mode 100644
index fadb305c7cc..00000000000
--- a/tests/modules/nf-core/gnu/sort/nextflow.config
+++ /dev/null
@@ -1,19 +0,0 @@
-process {
-
-    publishDir = { "${params.outdir}/${task.process.tokenize(':')[-1].tokenize('_')[0].toLowerCase()}" }
-
-    withName: GNU_SORT_A {
-        ext.args    = { "-k1,1 -k2,2n" }
-        ext.suffix  = { "genome.sorted" }
-    }
-
-    withName: GNU_SORT_B {
-        ext.args    = { "-k1,1 -k2,2n" }
-        ext.suffix  = { "bed.sorted" }
-    }
-
-    withName: GNU_SORT_C {
-        ext.args    = { "-t ';' -g -k 1,1 -k 2,2" }
-        ext.suffix  = { "csv.sorted" }
-    }
-}
\ No newline at end of file
diff --git a/tests/modules/nf-core/gnu/sort/test.yml b/tests/modules/nf-core/gnu/sort/test.yml
deleted file mode 100644
index d23496ae682..00000000000
--- a/tests/modules/nf-core/gnu/sort/test.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-- name: gnu sort test_gnu_sort
-  command: nextflow run ./tests/modules/nf-core/gnu/sort -entry test_gnu_sort -c ./tests/config/nextflow.config -c ./tests/modules/nf-core/gnu/sort/nextflow.config
-  tags:
-    - gnu
-    - gnu/sort
-  files:
-    - path: output/gnu/test.bed.sorted
-      md5sum: abbce903ef263d38b2f71856387799ab
-    - path: output/gnu/test.csv.sorted
-      md5sum: 0b52d1b4c4a0c6e972c6f94aafd75a1d
-    - path: output/gnu/test.genome.sorted
-      md5sum: fd97f7efafdbbfa71d9b560f10b4b048
-    - path: output/gnu/versions.yml