diff --git a/vulnerabilities/importers/elixir_security.py b/vulnerabilities/importers/elixir_security.py
index 46ef933a8..5f352beca 100644
--- a/vulnerabilities/importers/elixir_security.py
+++ b/vulnerabilities/importers/elixir_security.py
@@ -49,16 +49,7 @@ def set_api(self, packages):
         asyncio.run(self.pkg_manager_api.load_api(packages))
 
     def updated_advisories(self) -> Set[Advisory]:
-        files = self._updated_files
-        advisories = []
-        for f in files:
-            processed_data = self.process_file(f)
-            if processed_data:
-                advisories.append(processed_data)
-        return self.batch_advisories(advisories)
-
-    def added_advisories(self) -> Set[Advisory]:
-        files = self._added_files
+        files = self._updated_files.union(self._added_files)
         advisories = []
         for f in files:
             processed_data = self.process_file(f)
diff --git a/vulnerabilities/importers/retiredotnet.py b/vulnerabilities/importers/retiredotnet.py
index 25e08b04d..7096c9ba6 100644
--- a/vulnerabilities/importers/retiredotnet.py
+++ b/vulnerabilities/importers/retiredotnet.py
@@ -43,16 +43,7 @@ def __enter__(self):
             )
 
     def updated_advisories(self) -> Set[Advisory]:
-        files = self._updated_files
-        advisories = []
-        for f in files:
-            processed_data = self.process_file(f)
-            if processed_data:
-                advisories.append(processed_data)
-        return self.batch_advisories(advisories)
-
-    def added_advisories(self) -> Set[Advisory]:
-        files = self._added_files
+        files = self._updated_files.union(self._added_files)
         advisories = []
         for f in files:
             processed_data = self.process_file(f)
diff --git a/vulnerabilities/importers/ruby.py b/vulnerabilities/importers/ruby.py
index ad1e7dc59..883c7c6b3 100644
--- a/vulnerabilities/importers/ruby.py
+++ b/vulnerabilities/importers/ruby.py
@@ -54,16 +54,7 @@ def set_api(self, packages):
         asyncio.run(self.pkg_manager_api.load_api(packages))
 
     def updated_advisories(self) -> Set[Advisory]:
-        files = self._updated_files
-        advisories = []
-        for f in files:
-            processed_data = self.process_file(f)
-            if processed_data:
-                advisories.append(processed_data)
-        return self.batch_advisories(advisories)
-
-    def added_advisories(self) -> Set[Advisory]:
-        files = self._added_files
+        files = self._updated_files.union(self._added_files)
         advisories = []
         for f in files:
             processed_data = self.process_file(f)
diff --git a/vulnerabilities/importers/rust.py b/vulnerabilities/importers/rust.py
index 32d5f07fb..2bcc10f22 100644
--- a/vulnerabilities/importers/rust.py
+++ b/vulnerabilities/importers/rust.py
@@ -62,11 +62,8 @@ def crates_api(self):
     def set_api(self, packages):
         asyncio.run(self.crates_api.load_api(packages))
 
-    def added_advisories(self) -> Set[Advisory]:
-        return self._load_advisories(self._added_files)
-
     def updated_advisories(self) -> Set[Advisory]:
-        return self._load_advisories(self._updated_files)
+        return self._load_advisories(self._updated_files.union(self._added_files))
 
     def _load_advisories(self, files) -> Set[Advisory]:
         # per @tarcieri It will always be named RUSTSEC-0000-0000.md
diff --git a/vulnerabilities/tests/test_upstream.py b/vulnerabilities/tests/test_upstream.py
index a875f570e..c3e7cf392 100644
--- a/vulnerabilities/tests/test_upstream.py
+++ b/vulnerabilities/tests/test_upstream.py
@@ -1,7 +1,19 @@
+import inspect
+from unittest.mock import patch
+
 import pytest
+
 from vulnerabilities import importers
+from vulnerabilities.data_source import Advisory
 from vulnerabilities.importer_yielder import IMPORTER_REGISTRY
 
+MAX_ADVISORIES = 1
+
+
+class MaxAdvisoriesCreatedInterrupt(BaseException):
+    # Inheriting BaseException is intentional because the function being tested might catch Exception
+    pass
+
 
 @pytest.mark.webtest
 @pytest.mark.parametrize(
@@ -9,10 +21,34 @@
     ((data["data_source"], data["data_source_cfg"]) for data in IMPORTER_REGISTRY),
 )
 def test_updated_advisories(data_source, config):
-
     if not data_source == "GitHubAPIDataSource":
         data_src = getattr(importers, data_source)
-        data_src = data_src(batch_size=1, config=config)
-        with data_src:
-            for i in data_src.updated_advisories():
+        data_src = data_src(batch_size=MAX_ADVISORIES, config=config)
+        advisory_counter = 0
+
+        def patched_advisory(*args, **kwargs):
+            nonlocal advisory_counter
+
+            if advisory_counter >= MAX_ADVISORIES:
+                raise MaxAdvisoriesCreatedInterrupt
+
+            advisory_counter += 1
+            return Advisory(*args, **kwargs)
+
+        module = inspect.getmodule(data_src)
+        module_members = [m[0] for m in inspect.getmembers(module)]
+        advisory_class = f"{module.__name__}.Advisory"
+        if "Advisory" not in module_members:
+            advisory_class = "vulnerabilities.data_source.Advisory"
+
+        # Either
+        # 1) Advisory class is successfully patched and MaxAdvisoriesCreatedInterrupt is thrown when
+        # 	an importer tries to create an Advisory or
+        # 2) Importer somehow bypasses the patch / handles BaseException internally, then
+        # 	updated_advisories is required to return non zero advisories
+        with patch(advisory_class, side_effect=patched_advisory):
+            try:
+                with data_src:
+                    assert len(list(data_src.updated_advisories())) > 0
+            except MaxAdvisoriesCreatedInterrupt:
                 pass