bpo-43762: Add audit events for loading of sqlite3 extensions (GH-25246)

diff --git a/Lib/test/test_audit.py b/Lib/test/test_audit.py
index 456a5da..4ba62c4 100644
--- a/Lib/test/test_audit.py
+++ b/Lib/test/test_audit.py
@@ -130,6 +130,7 @@ def test_gc(self):
             ["gc.get_objects", "gc.get_referrers", "gc.get_referents"]
         )
 
+
     def test_http(self):
         import_helper.import_module("http.client")
         returncode, events, stderr = self.run_python("test_http_client")
@@ -145,5 +146,27 @@ def test_http(self):
             self.assertIn('HTTP', events[1][2])
 
 
+    def test_sqlite3(self):
+        try:
+            import sqlite3
+        except ImportError:
+            return
+        returncode, events, stderr = self.run_python("test_sqlite3")
+        if returncode:
+            self.fail(stderr)
+
+        if support.verbose:
+            print(*events, sep='\n')
+        actual = [ev[0] for ev in events]
+        expected = ["sqlite3.connect", "sqlite3.connect/handle"]
+
+        if hasattr(sqlite3.Connection, "enable_load_extension"):
+            expected += [
+                "sqlite3.enable_load_extension",
+                "sqlite3.load_extension",
+            ]
+        self.assertEqual(actual, expected)
+
+
 if __name__ == "__main__":
     unittest.main()