diff --git a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4j2FileXmlTests.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4j2FileXmlTests.java
index c2d2e53d23b..d0fed17a85a 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4j2FileXmlTests.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4j2FileXmlTests.java
@@ -36,13 +36,20 @@ import static org.assertj.core.api.Assertions.assertThat;
  */
 class Log4j2FileXmlTests extends Log4j2XmlTests {
 
+	@TempDir
+	File temp;
+
+	@Override
 	@BeforeEach
-	void configureLogFile(@TempDir File temp) {
-		System.setProperty(LoggingSystemProperties.LOG_FILE, new File(temp, "test.log").getAbsolutePath());
+	void prepareConfiguration() {
+		System.setProperty(LoggingSystemProperties.LOG_FILE, new File(this.temp, "test.log").getAbsolutePath());
+		super.prepareConfiguration();
 	}
 
+	@Override
 	@AfterEach
-	void clearLogFile() {
+	void stopConfiguration() {
+		super.stopConfiguration();
 		System.clearProperty(LoggingSystemProperties.LOG_FILE);
 	}
 
@@ -75,8 +82,8 @@ class Log4j2FileXmlTests extends Log4j2XmlTests {
 
 	@Test
 	void whenLogDateformatPatternIsSetThenFileAppenderUsesIt() {
-		withSystemProperty(LoggingSystemProperties.LOG_DATEFORMAT_PATTERN, "custom",
-				() -> assertThat(fileAppenderPattern()).contains("custom"));
+		withSystemProperty(LoggingSystemProperties.LOG_DATEFORMAT_PATTERN, "dd-MM-yyyy",
+				() -> assertThat(fileAppenderPattern()).contains("dd-MM-yyyy"));
 	}
 
 	@Override
diff --git a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4j2XmlTests.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4j2XmlTests.java
index ddbd7ec2fa1..28ee9da47fd 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4j2XmlTests.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4j2XmlTests.java
@@ -24,6 +24,8 @@ import org.apache.logging.log4j.core.config.Configuration;
 import org.apache.logging.log4j.core.config.ConfigurationFactory;
 import org.apache.logging.log4j.core.config.ConfigurationSource;
 import org.apache.logging.log4j.core.layout.PatternLayout;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.logging.LoggingSystemProperties;
@@ -37,6 +39,18 @@ import static org.assertj.core.api.Assertions.assertThat;
  */
 class Log4j2XmlTests {
 
+	private Configuration configuration;
+
+	@BeforeEach
+	void prepareConfiguration() {
+		this.configuration = initializeConfiguration();
+	}
+
+	@AfterEach
+	void stopConfiguration() {
+		this.configuration.stop();
+	}
+
 	@Test
 	void whenLogExceptionConversionWordIsNotConfiguredThenConsoleUsesDefault() {
 		assertThat(consolePattern()).contains("%xwEx");
@@ -66,8 +80,8 @@ class Log4j2XmlTests {
 
 	@Test
 	void whenLogDateformatPatternIsSetThenConsoleUsesIt() {
-		withSystemProperty(LoggingSystemProperties.LOG_DATEFORMAT_PATTERN, "custom",
-				() -> assertThat(consolePattern()).contains("custom"));
+		withSystemProperty(LoggingSystemProperties.LOG_DATEFORMAT_PATTERN, "dd-MM-yyyy",
+				() -> assertThat(consolePattern()).contains("dd-MM-yyyy"));
 	}
 
 	protected void withSystemProperty(String name, String value, Runnable action) {