Add test config to produce no vcf/vcf_index output

Author: bagnacan

modules/nf-core/paraphase/tests/nextflow.no_vcf.config

@@ -0,0 +1,5 @@
+process {
+    withName: 'PARAPHASE' {
+        ext.args = '--gene RIMBP3B'
+    }
+}