Mojo: Add signal for new data pipe consumer data

mojo/public/cpp/bindings/tests/handle_passing_unittest.cc

Index: mojo/public/cpp/bindings/tests/handle_passing_unittest.cc
diff --git a/mojo/public/cpp/bindings/tests/handle_passing_unittest.cc b/mojo/public/cpp/bindings/tests/handle_passing_unittest.cc
index 21557a93be1c2484d68bcc4b2c13a0af55ebc285..6797fe40ce1fd5475ebdd7dae4a7d4a2ec5607ad 100644
--- a/mojo/public/cpp/bindings/tests/handle_passing_unittest.cc
+++ b/mojo/public/cpp/bindings/tests/handle_passing_unittest.cc
@@ -113,7 +113,7 @@ class SampleFactoryImpl : public sample::Factory {
     ASSERT_EQ(MOJO_RESULT_OK,
               MojoWait(pipe.get().value(), MOJO_HANDLE_SIGNAL_READABLE,
                        MOJO_DEADLINE_INDEFINITE, &state));
-    ASSERT_EQ(MOJO_HANDLE_SIGNAL_READABLE, state.satisfied_signals);
+    ASSERT_TRUE(state.satisfied_signals & MOJO_HANDLE_SIGNAL_READABLE);
     ASSERT_EQ(MOJO_RESULT_OK,
               ReadDataRaw(
                   pipe.get(), nullptr, &data_size, MOJO_READ_DATA_FLAG_QUERY));