Prepare to publish (#1282)

diff --git a/pkgs/test/CHANGELOG.md b/pkgs/test/CHANGELOG.md
index cd4ab8c..a65c6df 100644
--- a/pkgs/test/CHANGELOG.md
+++ b/pkgs/test/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 1.15.1-dev
+## 1.15.1
 
 * Avoid a confusing stack trace when there is a problem loading a platform when
   using the JSON reporter and enabling debugging.
diff --git a/pkgs/test/pubspec.yaml b/pkgs/test/pubspec.yaml
index 768756a..3c59d40 100644
--- a/pkgs/test/pubspec.yaml
+++ b/pkgs/test/pubspec.yaml
@@ -1,5 +1,5 @@
 name: test
-version: 1.15.1-dev
+version: 1.15.1
 description: A full featured library for writing and running Dart tests.
 homepage: https://github.com/dart-lang/test/blob/master/pkgs/test
 
@@ -33,7 +33,7 @@
   yaml: ^2.0.0
   # Use an exact version until the test_api and test_core package are stable.
   test_api: 0.2.17
-  test_core: 0.3.8
+  test_core: 0.3.9
 
 dev_dependencies:
   fake_async: ^1.0.0
diff --git a/pkgs/test_core/CHANGELOG.md b/pkgs/test_core/CHANGELOG.md
index a73a268..80c1ded 100644
--- a/pkgs/test_core/CHANGELOG.md
+++ b/pkgs/test_core/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 0.3.9-dev
+## 0.3.9
 
 * Ignore a null `RunnerSuite` rather than throw an error.
 
diff --git a/pkgs/test_core/pubspec.yaml b/pkgs/test_core/pubspec.yaml
index f3caba7..aa42f90 100644
--- a/pkgs/test_core/pubspec.yaml
+++ b/pkgs/test_core/pubspec.yaml
@@ -1,5 +1,5 @@
 name: test_core
-version: 0.3.9-dev
+version: 0.3.9
 description: A basic library for writing tests and running them on the VM.
 homepage: https://github.com/dart-lang/test/blob/master/pkgs/test_core