Improve evidence classification and compact CLI reporting

tests/test_models.py

@@ -59,6 +59,13 @@ class ModelTests(unittest.TestCase):
                                 collection={"rpcdump": "success"}))
         self.assertEqual(host.checks["check"], "suspected")
         self.assertEqual(host.collection["rpcdump"], "success")
+        self.assertEqual(host.conflicting_checks(), {"check"})
+
+    def test_capability_conflict_is_retained_in_both_merge_orders(self):
+        for first, second in (("exposed", "not-exposed"), ("not-exposed", "exposed")):
+            host = HostEvidence("192.0.2.1", checks={"smbghost": first})
+            host.merge(HostEvidence("192.0.2.1", checks={"smbghost": second}))
+            self.assertEqual(host.conflicting_checks(), {"smbghost"})
 
 
 if __name__ == "__main__":