[gardening] SkipByDesign tests on Android that cannot work there

Tests that use subprocess calls to things not avilable on the Android
devices that the test runner uses will not work.
=> SkipByDesign those tests.

Make one test work on Android by filtering out `WARNING: linker` warnings
printed to `stderr` by the AOT runtime (probably `dlopen()` produces those
warnings)

TEST=Fixes tests on android (or SkipByDesign them where appropriate)

Change-Id: I6ebef72d12bfbff0106224b6ee4f23b912298439
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/438180
Commit-Queue: Martin Kustermann <[email protected]>
Reviewed-by: Slava Egorov <[email protected]>
Reviewed-by: Alexander Markov <[email protected]>

Author: mkustermann

tests/standalone/io/unix_socket_test.dart

@@ -840,24 +840,38 @@ Future testStdioMessage(String tempDirPath, {bool caller = false}) async {
       Platform.script.toFilePath(),
       '--start-stdio-message-test',
     ]);
-    String processStdout = "";
-    String processStderr = "";
-    process.stdout.transform(utf8.decoder).listen((line) {
-      processStdout += line;
-      print('stdout:>$line<');
-    });
-    process.stderr.transform(utf8.decoder).listen((line) {
-      processStderr += line;
-      print('stderr:>$line<');
-    });
+    final processStdout = <String>[];
+    final processStderr = <String>[];
+    process.stdout
+        .transform(utf8.decoder)
+        .transform(const LineSplitter())
+        .listen((line) {
+          processStdout.add(line);
+          print('stdout:>$line<');
+        });
+    process.stderr
+        .transform(utf8.decoder)
+        .transform(const LineSplitter())
+        .listen((line) {
+          // Ignore runtime linker errors from Android AOT runtime.
+          // TODO(http://dartbug.com/61028): Once this is addressed we may be
+          // able to restore this test to what it was originally.
+          if (!line.startsWith('WARNING: linker')) {
+            processStderr.add(line);
+            print('stderr:>$line<');
+          }
+        });
     process.stdin.writeln('Caller wrote to stdin');
 
     Expect.equals(0, await process.exitCode);
-    Expect.equals("client sent a message\nHello, server!\n", processStdout);
-    Expect.equals(
-      "client wrote to stderr\nHello, server too!\n",
-      processStderr,
-    );
+    Expect.listEquals([
+      'client sent a message',
+      'Hello, server!',
+    ], processStdout);
+    Expect.listEquals([
+      'client wrote to stderr',
+      'Hello, server too!',
+    ], processStderr);
     return;
   }
 

tests/standalone/standalone_vm.status

@@ -11,9 +11,12 @@ link_natives_lazily_test: SkipByDesign # Not supported.
 no_allow_absolute_addresses_test: SkipByDesign # Not supported.
 
 [ $system == android ]
+embedder_samples_test: SkipByDesign # Uses subprocess calls to things not available on Android device
+gn_py_test: SkipByDesign # Uses subprocess calls to things not available on Android device
 io/file_stat_test: Skip # Issue 26376
 io/file_system_watcher_test: Skip # Issue 26376
 io/file_test: Skip # Issue 26376
+io/http_on_unix_socket_test: SkipByDesign # Uses curl, not available on Android device
 io/many_pending_secure_sockets_test: Skip # Too expensive
 io/non_utf8_output_test: Skip # The Android command runner doesn't correctly handle non-UTF8 formatted output. https://github.com/dart-lang/sdk/issues/28872
 io/process_exit_test: Skip # Issue 29578