Fix spawnHybridUri on windows (#1384) (#1391) (#1394)

diff --git a/pkgs/test/CHANGELOG.md b/pkgs/test/CHANGELOG.md
index 8c64705..3aa3178 100644
--- a/pkgs/test/CHANGELOG.md
+++ b/pkgs/test/CHANGELOG.md
@@ -67,6 +67,10 @@
   `package:test_api/test_api.dart` (and hence through
   `package:test_core/test_core.dart` and `package:test/test.dart`).
 
+## 1.15.7 (Backport)
+
+* Fix `spawnHybridUri` on windows.
+
 ## 1.15.6 (Backport)
 
 * Support `package:analyzer` version `0.41.x`.
diff --git a/pkgs/test_core/CHANGELOG.md b/pkgs/test_core/CHANGELOG.md
index 8a1dc3c..90f7501 100644
--- a/pkgs/test_core/CHANGELOG.md
+++ b/pkgs/test_core/CHANGELOG.md
@@ -58,6 +58,10 @@
 
 * Migrate to null safety.
 
+## 0.3.11+4 (Backport)
+
+* Fix `spawnHybridUri` on windows.
+
 ## 0.3.11+3 (Backport)
 
 * Support `package:analyzer` version `0.41.x`.