Print superclass rather than subclass logs.

CHANGELOG.md

@@ -1,3 +1,9 @@
-## 1.0.0
+## 1.0.0-rc.2
 
-* Initial version.
+* Subclassed `TestProcess`es now emit log output based on the superclass's
+  standard IO streams rather than the subclass's. This matches the documented
+  behavior.
+
+## 1.0.0-rc.1
+
+* Initial release candidate.

lib/test_process.dart

@@ -122,12 +122,15 @@ class TestProcess {
 
     // Listen eagerly so that the lines are interleaved properly between the two
     // streams.
-    stdoutStream().listen((line) {
+    //
+    // Call [split] explicitly because we don't want to log overridden
+    // [stdoutStream] or [stderrStream] output.
+    _stdoutSplitter.split().listen((line) {
       if (forwardStdio) print(line);
       _log.add("    $line");
     });
 
-    stderrStream().listen((line) {
+    _stderrSplitter.split().listen((line) {
       if (forwardStdio) print(line);
       _log.add("[e] $line");
     });

pubspec.yaml

@@ -1,5 +1,5 @@
 name: test_process
-version: 1.0.0-rc.1
+version: 1.0.0-rc.2
 description: A library for testing subprocesses.
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/test_process