test script added

.gitlab-ci.yml

+image: python
+
+test:
+  script:
+    - curl http://hgdownload.cse.ucsc.edu/goldenPath/hg19/database/refGene.txt.gz -o refGene-19.txt.gz
+    - python3 generate.py refGene-19.txt.gz hg19
+    - curl http://hgdownload.soe.ucsc.edu/admin/exe/linux.x86_64/bigBedInfo -o bin/bigBedInfo
+    - chmod 0755 bin/bigBedInfo
+    - ./bin/bigBedInfo refGene-19.bb
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