NetworkScoreServiceTest: Remove usages of @hide Wifi APIs

Bug: 138801922
Test: atest NetworkScoreServiceTest
Change-Id: I401c064cf3be7a59b54e4c60bccc011cac7e5128
diff --git a/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java b/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
index 8fd8d04..07b17eb 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkScoreServiceTest.java
@@ -29,6 +29,7 @@
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.times;
@@ -57,7 +58,6 @@
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
-import android.net.wifi.WifiSsid;
 import android.os.Binder;
 import android.os.Handler;
 import android.os.HandlerThread;
@@ -180,8 +180,8 @@
     }
 
     private ScanResult createScanResult(String ssid, String bssid) {
-        ScanResult result = new ScanResult();
-        result.wifiSsid = WifiSsid.createFromAsciiEncoded(ssid);
+        ScanResult result = mock(ScanResult.class);
+        result.SSID = ssid;
         result.BSSID = bssid;
         return result;
     }
@@ -792,7 +792,7 @@
     @Test
     public void testScanResultsScoreCacheFilter_invalidScanResults() throws Exception {
         List<ScanResult> invalidScanResults = Lists.newArrayList(
-                new ScanResult(),
+                mock(ScanResult.class),
                 createScanResult("", SCORED_NETWORK.networkKey.wifiKey.bssid),
                 createScanResult(WifiManager.UNKNOWN_SSID, SCORED_NETWORK.networkKey.wifiKey.bssid),
                 createScanResult(SSID, null),