Correct test from pytest report

It was moot as written.

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

vulnerabilities/tests/test_changelog.py

@@ -139,4 +139,4 @@ def test_vulnerability_changelog_software_version():
     NpmImporterPipeline().import_advisory(advisory=adv)
     npm_vulnerability_log = models.VulnerabilityChangeLog.objects.first()
 
-    assert ("test-version", npm_vulnerability_log.software_version)
+    assert npm_vulnerability_log.software_version == "test-version"