replace Mock annotation usage with method scope local Mockito.mock() …

…invocation

driver-core/src/test/unit/com/mongodb/internal/connection/InitialDnsSeedListDiscoveryProseTest.java

@@ -28,41 +28,24 @@
 import com.mongodb.internal.dns.DnsResolver;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.CsvSource;
-import org.mockito.Mock;
 
 import static java.util.Collections.singletonList;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
-import static org.mockito.MockitoAnnotations.openMocks;
 
 /**
  * See https://github.com/mongodb/specifications/blob/master/source/initial-dns-seedlist-discovery/tests/README.md
  */
 class InitialDnsSeedListDiscoveryProseTest {
  private static final String SRV_SERVICE_NAME = "mongodb";
 
- @Mock
- private ClusterableServerFactory serverFactory;
-
- @Mock
- private DnsSrvRecordMonitorFactory dnsSrvRecordMonitorFactory;
-
  private DnsMultiServerCluster cluster;
 
- @BeforeEach
- void setUp() throws Exception {
- try (AutoCloseable ignored = openMocks(this)) {
- when(serverFactory.getSettings()).thenReturn(ServerSettings.builder().build());
- when(serverFactory.create(any(Cluster.class), any(ServerAddress.class))).thenReturn(mock(ClusterableServer.class));
- }
- }
-
  @AfterEach
  void tearDown() {
  if (cluster != null) {
@@ -118,6 +101,7 @@ private void doTest(final String srvHost, final String resolvedHost, final boole
  final DnsResolver dnsResolver = new DefaultDnsResolver((name, type) -> singletonList(String.format("10 5 27017 %s",
  resolvedHost)));
 
+ final DnsSrvRecordMonitorFactory dnsSrvRecordMonitorFactory = mock(DnsSrvRecordMonitorFactory.class);
  when(dnsSrvRecordMonitorFactory.create(eq(srvHost), eq(SRV_SERVICE_NAME), any(DnsSrvRecordInitializer.class))).thenAnswer(
  invocation -> new DefaultDnsSrvRecordMonitor(srvHost, SRV_SERVICE_NAME, 10, 10,
  invocation.getArgument(2), clusterId, dnsResolver));
@@ -127,6 +111,10 @@ private void doTest(final String srvHost, final String resolvedHost, final boole
  .requiredClusterType(ClusterType.SHARDED)
  .srvHost(srvHost);
 
+ final ClusterableServerFactory serverFactory = mock(ClusterableServerFactory.class);
+ when(serverFactory.getSettings()).thenReturn(ServerSettings.builder().build());
+ when(serverFactory.create(any(Cluster.class), any(ServerAddress.class))).thenReturn(mock(ClusterableServer.class));
+
  cluster = new DnsMultiServerCluster(clusterId, settingsBuilder.build(),
  serverFactory,
  dnsSrvRecordMonitorFactory);