diff --git a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/RequestMappingEndpointTests.java b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/RequestMappingEndpointTests.java
index 790f2a7bbaf..29b251a17cf 100644
--- a/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/RequestMappingEndpointTests.java
+++ b/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/RequestMappingEndpointTests.java
@@ -103,15 +103,13 @@ public class RequestMappingEndpointTests {
 		assertThat(result).hasSize(2);
 		assertThat(result.keySet())
 				.filteredOn((key) -> key.contains("/dump || /dump.json"))
-				.hasOnlyOneElementSatisfying((key) -> {
-					assertThat((Map<String, Object>) result.get(key))
-							.containsOnlyKeys("bean", "method");
-				});
+				.hasOnlyOneElementSatisfying(
+						(key) -> assertThat((Map<String, Object>) result.get(key))
+								.containsOnlyKeys("bean", "method"));
 		assertThat(result.keySet()).filteredOn((key) -> key.contains(" || /.json"))
-				.hasOnlyOneElementSatisfying((key) -> {
-					assertThat((Map<String, Object>) result.get(key))
-							.containsOnlyKeys("bean", "method");
-				});
+				.hasOnlyOneElementSatisfying(
+						(key) -> assertThat((Map<String, Object>) result.get(key))
+								.containsOnlyKeys("bean", "method"));
 	}
 
 	@SuppressWarnings("unchecked")
@@ -127,15 +125,13 @@ public class RequestMappingEndpointTests {
 		assertThat(result).hasSize(2);
 		assertThat(result.keySet())
 				.filteredOn((key) -> key.contains("/dump || /dump.json"))
-				.hasOnlyOneElementSatisfying((key) -> {
-					assertThat((Map<String, Object>) result.get(key))
-							.containsOnlyKeys("method");
-				});
+				.hasOnlyOneElementSatisfying(
+						(key) -> assertThat((Map<String, Object>) result.get(key))
+								.containsOnlyKeys("method"));
 		assertThat(result.keySet()).filteredOn((key) -> key.contains(" || /.json"))
-				.hasOnlyOneElementSatisfying((key) -> {
-					assertThat((Map<String, Object>) result.get(key))
-							.containsOnlyKeys("method");
-				});
+				.hasOnlyOneElementSatisfying(
+						(key) -> assertThat((Map<String, Object>) result.get(key))
+								.containsOnlyKeys("method"));
 	}
 
 	@Configuration
diff --git a/spring-boot/src/test/java/org/springframework/boot/web/embedded/tomcat/TomcatEmbeddedWebappClassLoaderTests.java b/spring-boot/src/test/java/org/springframework/boot/web/embedded/tomcat/TomcatEmbeddedWebappClassLoaderTests.java
index d73840b91d8..44a0c7028c1 100644
--- a/spring-boot/src/test/java/org/springframework/boot/web/embedded/tomcat/TomcatEmbeddedWebappClassLoaderTests.java
+++ b/spring-boot/src/test/java/org/springframework/boot/web/embedded/tomcat/TomcatEmbeddedWebappClassLoaderTests.java
@@ -52,10 +52,9 @@ public class TomcatEmbeddedWebappClassLoaderTests {
 	@Test
 	public void getResourceFindsResourceFromParentClassLoader() throws Exception {
 		File war = createWar();
-		withWebappClassLoader(war, (classLoader) -> {
-			assertThat(classLoader.getResource("test.txt"))
-					.isEqualTo(new URL(webInfClassesUrlString(war) + "test.txt"));
-		});
+		withWebappClassLoader(war,
+				(classLoader) -> assertThat(classLoader.getResource("test.txt"))
+						.isEqualTo(new URL(webInfClassesUrlString(war) + "test.txt")));
 	}
 
 	@Test