Added gffread and gff3 file for testing

.github/workflows/gffread.yml

@@ -0,0 +1,40 @@
+name: gffread
+on:
+  push:
+    paths:
+      - software/gffread/**
+      - .github/workflows/gffread.yml
+      - tests/software/gffread/**
+  pull_request:
+    paths:
+      - software/gffread/**
+      - .github/workflows/gffread.yml
+      - tests/software/gffread/**
+
+jobs:
+  ci_test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        nxf_version: [20.07.1, ""]
+    env:
+      NXF_ANSI_LOG: false
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install Nextflow
+        env:
+          NXF_VER: ${{ matrix.nxf_version }}
+        run: |
+          wget -qO- get.nextflow.io | bash
+          sudo mv nextflow /usr/local/bin/
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.x"
+      - name: Install dependencies
+        run: python -m pip install --upgrade pip pytest-workflow
+
+      # Test the module
+      - run: pytest --tag gffread --symlink --wt 2

tests/software/gffread/main.nf

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+#!/usr/bin/env nextflow
+
+nextflow.enable.dsl = 2
+
+include { GFFREAD } from '../../../software/gffread/main.nf' addParams( options: [:] )
+
+workflow test_gffread {
+    def input = []
+    input = //[ [ id:'test', single_end:false ], // meta map
+              [ file("${launchDir}/tests/data/gff/a.gff3", checkIfExists: true) ]
+    GFFREAD ( input )
+}

tests/software/gffread/test.yml

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+- name: Run gffread  test workflow
+  command: nextflow run ./tests/software/gffread/ -profile docker -entry test_gffread -c tests/config/nextflow.config
+  tags:
+    - gffread
+  files:
+    - path: output/gffread/a.gtf
+      md5sum: b6617219068835992ea43e4d3389f448