updated test/README.md (issue #33)

test/README.md

-Input files
+# Test data set
+
+This is a data set to test the `PathoFact` pipeline.
+
+See `README.md` in parent directory for `PathoFact` set-up instructions.
+
+## Input files
+
+How input files were created:
 
 ```bash
 # *.fna, *.faa and *.gff
@@ -9,3 +17,12 @@ rsync -avP /work/projects/ecosystem_biology/local_tools/IMP3/test/testRAW/run150
 # set-up: modify files, create other required files
 ./set-up.sh
 ```
+
+## Test run
+
+```
+# activate env
+conda activate PathoFact
+# run the pipeline
+snakemake -s test/Snakefile --use-conda --reason --cores 1 -p
+```