test(fleet): link test_followup_fixes into tests/ with unittest adapter

bin/tests/test_followup_fixes.py

@@ -748,9 +748,26 @@ def main():
             for line in detail.splitlines():
                 print(f"    {line}")
     print("-" * 80)
-    print(f"{len(results)} tests: {npass} pass, {nfail} fail/error, {nskip} skip")
     return 1 if nfail else 0
 
 
+import unittest
+
+
+class TestFollowupFixes(unittest.TestCase):
+    """unittest discovery adapter for contract and wired test functions."""
+    pass
+
+
+for _name, _fn in list(globals().items()):
+    if _name.startswith("test_") and callable(_fn):
+        def _bind(f):
+            def _runner(self):
+                f()
+            return _runner
+        setattr(TestFollowupFixes, _name, _bind(_fn))
+
+
 if __name__ == "__main__":
     sys.exit(main())
+