diff --git a/tests/test_qa_gaps.py b/tests/test_qa_gaps.py
index 1b8ed77..b5c55a4 100644
--- a/tests/test_qa_gaps.py
+++ b/tests/test_qa_gaps.py
@@ -265,11 +265,8 @@ class TestMissingDeptRoutes:
         )
         assert "dept_infra" in infra_only_routes
 
-    def test_research_head_has_no_dedicated_dept_route(self):
-        """Confirms research_head is NOT reachable via any standalone dept_research route.
-
-        This test documents the gap. It will FAIL once a dept_research route is added.
-        """
+    def test_research_head_has_dedicated_dept_route(self):
+        """dept_research route exists in specialists.yaml with steps: [research_head]."""
         import yaml
         with open("agents/specialists.yaml") as f:
             data = yaml.safe_load(f)
@@ -281,17 +278,14 @@ class TestMissingDeptRoutes:
             name for name, route in dept_routes.items()
             if route["steps"] == ["research_head"]
         ]
-        assert len(research_only_routes) == 0, (
-            f"Found unexpected dept_research route(s): {research_only_routes}. "
-            "Update this test if route was intentionally added."
+        assert len(research_only_routes) == 1, (
+            f"Expected exactly one dept_research route with steps=[research_head], "
+            f"found: {research_only_routes}"
         )
+        assert "dept_research" in research_only_routes
 
-    def test_infra_and_research_heads_missing_from_all_routes(self):
-        """Both infra_head and research_head appear in NO route in specialists.yaml.
-
-        This is the core gap: the PM cannot use these department heads.
-        When fixed (routes added), this test will fail and should be updated/removed.
-        """
+    def test_infra_and_research_heads_present_in_routes(self):
+        """Both infra_head and research_head are reachable via routes in specialists.yaml."""
         import yaml
         with open("agents/specialists.yaml") as f:
             data = yaml.safe_load(f)
@@ -301,23 +295,15 @@ class TestMissingDeptRoutes:
         for route in routes.values():
             all_route_roles.update(route.get("steps", []))
 
-        # Verify the gap exists
-        assert "infra_head" not in all_route_roles, (
-            "infra_head now appears in a route. Issue 2 partially fixed. "
-            "Update this test."
+        assert "infra_head" in all_route_roles, (
+            "infra_head is missing from all routes — regression of KIN-ARCH-021"
         )
-        assert "research_head" not in all_route_roles, (
-            "research_head now appears in a route. Issue 2 partially fixed. "
-            "Update this test."
+        assert "research_head" in all_route_roles, (
+            "research_head is missing from all routes — regression of KIN-ARCH-021"
         )
 
-    def test_6_dept_routes_currently_exist(self):
-        """Documents that exactly 6 dept_* routes exist (not 7 or 8).
-
-        The existing test test_department_routes_exist uses >= 6, which passes.
-        This test pins the CURRENT state. When dept_infra and dept_research are added,
-        this count will become 8 and this test should be updated.
-        """
+    def test_8_dept_routes_exist(self):
+        """Exactly 8 dept_* routes exist after adding dept_infra and dept_research."""
         import yaml
         with open("agents/specialists.yaml") as f:
             data = yaml.safe_load(f)
@@ -325,10 +311,9 @@ class TestMissingDeptRoutes:
         routes = data["routes"]
         dept_routes = {k: v for k, v in routes.items() if k.startswith("dept_")}
 
-        assert len(dept_routes) == 6, (
-            f"Expected 6 dept_* routes (documenting current state), "
-            f"found {len(dept_routes)}: {list(dept_routes.keys())}. "
-            "If this changed, update the count and remove gap tests above."
+        assert len(dept_routes) == 8, (
+            f"Expected 8 dept_* routes, found {len(dept_routes)}: "
+            f"{list(dept_routes.keys())}"
         )