Clean up Mockito usage

This commit migrates to the MockitoJUnitRunner where sensible, which
will later allow for an easier migration to Mockito's extension for
JUnit Jupiter.

In addition, this commit deletes unnecessary stubbing for various mocks
and polishes test fixture setup in various test classes.

spring-jdbc/src/test/java/org/springframework/jdbc/core/support/SqlLobValueTests.java

@@ -25,9 +25,11 @@ import java.sql.Types;
 
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
-import org.mockito.MockitoAnnotations;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
 
 import org.springframework.jdbc.support.lob.LobCreator;
 import org.springframework.jdbc.support.lob.LobHandler;
@@ -36,11 +38,10 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.BDDMockito.given;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
 /**
- * Test cases for the sql lob value:
+ * Test cases for the SQL LOB value:
  *
  * BLOB:
  *   1. Types.BLOB: setBlobAsBytes (byte[])
@@ -55,10 +56,16 @@ import static org.mockito.Mockito.verify;
  *
  * @author Alef Arendsen
  */
+@RunWith(MockitoJUnitRunner.class)
 public class SqlLobValueTests  {
 
+	@Mock
 	private PreparedStatement preparedStatement;
+
+	@Mock
 	private LobHandler handler;
+
+	@Mock
 	private LobCreator creator;
 
 	@Captor
@@ -66,10 +73,6 @@ public class SqlLobValueTests  {
 
 	@Before
 	public void setUp() {
-		MockitoAnnotations.initMocks(this);
-		preparedStatement = mock(PreparedStatement.class);
-		handler = mock(LobHandler.class);
-		creator = mock(LobCreator.class);
 		given(handler.getLobCreator()).willReturn(creator);
 	}