diff --git a/test/src/unit-diagnostics.cpp b/test/src/unit-diagnostics.cpp
index d4bbf93aa..c465cda6e 100644
--- a/test/src/unit-diagnostics.cpp
+++ b/test/src/unit-diagnostics.cpp
@@ -184,4 +184,20 @@ TEST_CASE("Better diagnostics")
         j["second"] = value;
         j2["something"] = j;
     }
+
+    SECTION("Regression test for issue #3007 - Parent pointers properly set when using update()")
+    {
+      json j = json::object();
+
+      {
+        json j2 = json::object();
+        j2["one"] = 1;
+
+        j.update(j2);
+      }
+
+      for (auto const & kv : j) {
+        CHECK(kv.m_parent == &j);
+      }
+    }
 }
diff --git a/test/src/unit-regression2.cpp b/test/src/unit-regression2.cpp
index 2dba07976..8d0175e9d 100644
--- a/test/src/unit-regression2.cpp
+++ b/test/src/unit-regression2.cpp
@@ -679,23 +679,6 @@ TEST_CASE("regression tests 2")
         test3[json::json_pointer(p)] = json::object();
         CHECK(test3.dump() == "{\"/root\":{}}");
     }
-
-    SECTION("issue #3007 - Parent pointers properly set when using update()")
-    {
-      json j = json::object();
-      json lower = json::object();
-
-      {
-        json j2 = json::object();
-        j2["one"] = 1;
-
-        j.update(j2);
-      }
-
-      for (auto const & kv : j) {
-        CHECK(kv.m_parent == &j);
-      }
-    }
 }
 
 DOCTEST_CLANG_SUPPRESS_WARNING_POP