Use latest matcher (#1099)

diff --git a/pkgs/test/CHANGELOG.md b/pkgs/test/CHANGELOG.md
index 325961e..3d931eb 100644
--- a/pkgs/test/CHANGELOG.md
+++ b/pkgs/test/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 * Depend on the latest `package:test_core`.
 * Support the latest `package:analyzer`.
+* Update to latest `package:matcher`. Improves output for instances of private
+  classes.
 
 ## 1.9.2
 
diff --git a/pkgs/test/pubspec.yaml b/pkgs/test/pubspec.yaml
index f0a2688..e436f88 100644
--- a/pkgs/test/pubspec.yaml
+++ b/pkgs/test/pubspec.yaml
@@ -31,7 +31,7 @@
   web_socket_channel: ^1.0.0
   yaml: ^2.0.0
   # Use an exact version until the test_api and test_core package are stable.
-  test_api: 0.2.9
+  test_api: 0.2.10
   test_core: 0.2.14
 
 dev_dependencies:
diff --git a/pkgs/test_api/CHANGELOG.md b/pkgs/test_api/CHANGELOG.md
index a8a3079..31eb9ad 100644
--- a/pkgs/test_api/CHANGELOG.md
+++ b/pkgs/test_api/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.2.10
+
+* Update to latest `package:matcher`. Improves output for instances of private
+  classes.
+
 ## 0.2.9
 
 * Treat non-solo tests as skipped so they are properly reported.
diff --git a/pkgs/test_api/pubspec.yaml b/pkgs/test_api/pubspec.yaml
index 97ee1f4..cbe44d0 100644
--- a/pkgs/test_api/pubspec.yaml
+++ b/pkgs/test_api/pubspec.yaml
@@ -1,5 +1,5 @@
 name: test_api
-version: 0.2.9
+version: 0.2.10
 author: Dart Team <misc@dartlang.org>
 description: A library for writing Dart tests.
 homepage: https://github.com/dart-lang/test/blob/master/pkgs/test_api
@@ -22,7 +22,7 @@
 
   # Use a tight version constraint to ensure that a constraint on matcher
   # properly constrains all features it provides.
-  matcher: ">=0.12.5 <0.12.6"
+  matcher: ">=0.12.6 <0.12.7"
 
 dev_dependencies:
   fake_async: ^1.0.0
diff --git a/pkgs/test_core/CHANGELOG.md b/pkgs/test_core/CHANGELOG.md
index da07e3b..ee9ccaa 100644
--- a/pkgs/test_core/CHANGELOG.md
+++ b/pkgs/test_core/CHANGELOG.md
@@ -1,6 +1,8 @@
 ## 0.2.14
 
 * Support the latest `package:analyzer`.
+* Update to latest `package:matcher`. Improves output for instances of private
+  classes.
 
 ## 0.2.13
 
diff --git a/pkgs/test_core/pubspec.yaml b/pkgs/test_core/pubspec.yaml
index 6d7fab4..5eb1cc4 100644
--- a/pkgs/test_core/pubspec.yaml
+++ b/pkgs/test_core/pubspec.yaml
@@ -30,9 +30,9 @@
   yaml: ^2.0.0
   # Use a tight version constraint to ensure that a constraint on matcher
   # properly constrains all features it provides.
-  matcher: ">=0.12.5 <0.12.6"
+  matcher: ">=0.12.6 <0.12.7"
   # Use an exact version until the test_api package is stable.
-  test_api: 0.2.9
+  test_api: 0.2.10
 
 dependency_overrides:
   test_api: