The first 3 BluetoothTest.* unit tests now running on Mac as well.

device/bluetooth/test/bluetooth_test.h

Index: device/bluetooth/test/bluetooth_test.h
diff --git a/device/bluetooth/test/bluetooth_test.h b/device/bluetooth/test/bluetooth_test.h
index a5552da30e6ff5e505b4ad98bde62a0efc7ab53d..a45373b0cfa759d8c71a73af09ae9b64c2228d9b 100644
--- a/device/bluetooth/test/bluetooth_test.h
+++ b/device/bluetooth/test/bluetooth_test.h
@@ -22,6 +22,9 @@ class BluetoothAdapter;
 // BluetoothTest.
 class BluetoothTestBase : public testing::Test {
  public:
+  static const std::string kTestAdapterName;
+  static const std::string kTestAdapterAddress;
+
   BluetoothTestBase();
   ~BluetoothTestBase() override;