Remove unused fields in tests

Closes gh-14707

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/PropertiesMeterFilterTests.java

@@ -24,12 +24,9 @@ import io.micrometer.core.instrument.Meter.Type;
 import io.micrometer.core.instrument.config.MeterFilterReply;
 import io.micrometer.core.instrument.distribution.DistributionStatisticConfig;
 import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
-import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
 
 import org.springframework.boot.context.properties.bind.Bindable;
 import org.springframework.boot.context.properties.bind.Binder;
@@ -49,14 +46,6 @@ public class PropertiesMeterFilterTests {
 	@Rule
 	public ExpectedException thrown = ExpectedException.none();
 
-	@Mock
-	private DistributionStatisticConfig config;
-
-	@Before
-	public void setup() {
-		MockitoAnnotations.initMocks(this);
-	}
-
 	@Test
 	public void createWhenPropertiesIsNullShouldThrowException() {
 		this.thrown.expect(IllegalArgumentException.class);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/ServletWebServerFactoryCustomizerTests.java

@@ -24,8 +24,6 @@ import java.util.Map;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
-import org.mockito.Captor;
-import org.mockito.MockitoAnnotations;
 
 import org.springframework.boot.autoconfigure.web.ServerProperties;
 import org.springframework.boot.context.properties.bind.Bindable;
@@ -33,7 +31,6 @@ import org.springframework.boot.context.properties.bind.Binder;
 import org.springframework.boot.context.properties.source.ConfigurationPropertySource;
 import org.springframework.boot.context.properties.source.MapConfigurationPropertySource;
 import org.springframework.boot.web.server.Ssl;
-import org.springframework.boot.web.servlet.ServletContextInitializer;
 import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
 import org.springframework.boot.web.servlet.server.Jsp;
 import org.springframework.boot.web.servlet.server.Session;
@@ -56,12 +53,8 @@ public class ServletWebServerFactoryCustomizerTests {
 
 	private ServletWebServerFactoryCustomizer customizer;
 
-	@Captor
-	private ArgumentCaptor<ServletContextInitializer[]> initializersCaptor;
-
 	@Before
 	public void setup() {
-		MockitoAnnotations.initMocks(this);
 		this.customizer = new ServletWebServerFactoryCustomizer(this.properties);
 	}
 

spring-boot-project/spring-boot-cli/src/test/java/org/springframework/boot/cli/command/CommandRunnerTests.java

@@ -51,9 +51,6 @@ public class CommandRunnerTests {
 	@Mock
 	private Command regularCommand;
 
-	@Mock
-	private Command shellCommand;
-
 	@Mock
 	private Command anotherCommand;