Add tests to check improver function with multiple affected version ranges

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>
Signed-off-by: Jan-Niclas Struewer <j.n.struewer@gmail.com>

Author: TG1999

vulnerabilities/tests/test_data/github_api/inference-expected.json

@@ -424,5 +424,67 @@
       }
     ],
     "weaknesses": []
+  },
+  {
+    "vulnerability_id": null,
+    "aliases": [
+      "CVE-2022-21831",
+      "GHSA-w749-p3v6-hccq"
+    ],
+    "confidence": 100,
+    "summary": "Possible code injection vulnerability in Rails / Active Storage",
+    "affected_purls": [
+      {
+        "type": "gem",
+        "namespace": null,
+        "name": "activestorage",
+        "version": "10.2.1",
+        "qualifiers": null,
+        "subpath": null
+      },
+      {
+        "type": "gem",
+        "namespace": null,
+        "name": "activestorage",
+        "version": "10.2.8",
+        "qualifiers": null,
+        "subpath": null
+      }
+    ],
+    "fixed_purl": null,
+    "references": [
+      {
+        "reference_id": "",
+        "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-21831",
+        "severities": []
+      },
+      {
+        "reference_id": "",
+        "url": "https://github.com/rails/rails/commit/0a72f7d670e9aa77a0bb8584cb1411ddabb7546e",
+        "severities": []
+      },
+      {
+        "reference_id": "",
+        "url": "https://groups.google.com/g/rubyonrails-security/c/n-p-W1yxatI",
+        "severities": []
+      },
+      {
+        "reference_id": "",
+        "url": "https://rubysec.com/advisories/CVE-2022-21831/",
+        "severities": []
+      },
+      {
+        "reference_id": "GHSA-w749-p3v6-hccq",
+        "url": "https://github.com/advisories/GHSA-w749-p3v6-hccq",
+        "severities": [
+          {
+            "system": "cvssv3.1_qr",
+            "value": "HIGH",
+            "scoring_elements": ""
+          }
+        ]
+      }
+    ],
+    "weaknesses": []
   }
 ]

vulnerabilities/tests/test_github.py

@@ -172,6 +172,8 @@ def valid_versions():
         "6.0.3.4",
         "6.0.3.rc1",
         "6.0.2.rc2",
+        "10.2.8",
+        "10.2.1",
     ]
 
 
@@ -203,7 +205,27 @@ def test_github_improver(mock_response, regen=REGEN):
                     )
                 ),
                 fixed_version=None,
-            )
+            ),
+            AffectedPackage(
+                package=PackageURL(
+                    type="gem",
+                    namespace=None,
+                    name="activestorage",
+                    version=None,
+                    qualifiers={},
+                    subpath=None,
+                ),
+                affected_version_range=GemVersionRange(
+                    constraints=(
+                        VersionConstraint(
+                            comparator=">=", version=RubygemsVersion(string="10.2.0")
+                        ),
+                        VersionConstraint(
+                            comparator="<=", version=RubygemsVersion(string="10.2.8")
+                        ),
+                    )
+                ),
+            ),
         ],
         references=[
             Reference(