diff --git a/spring-webflux/src/test/java/org/springframework/web/reactive/function/server/PathResourceLookupFunctionTests.java b/spring-webflux/src/test/java/org/springframework/web/reactive/function/server/PathResourceLookupFunctionTests.java
index 08bf35bdcd..25b65cdc67 100644
--- a/spring-webflux/src/test/java/org/springframework/web/reactive/function/server/PathResourceLookupFunctionTests.java
+++ b/spring-webflux/src/test/java/org/springframework/web/reactive/function/server/PathResourceLookupFunctionTests.java
@@ -31,6 +31,8 @@ import org.springframework.core.io.Resource;
 import org.springframework.web.testfixture.http.server.reactive.MockServerHttpRequest;
 import org.springframework.web.testfixture.server.MockServerWebExchange;
 
+import static org.assertj.core.api.Assertions.assertThatNoException;
+
 /**
  * @author Arjen Poutsma
  */
@@ -128,13 +130,13 @@ class PathResourceLookupFunctionTests {
 	@SuppressWarnings("removal")
 	void withPathResource() {
 		org.springframework.core.io.PathResource location = new org.springframework.core.io.PathResource("/static/");
-		PathResourceLookupFunction function = new PathResourceLookupFunction("/resources/**", location);
+		assertThatNoException().isThrownBy(() -> new PathResourceLookupFunction("/resources/**", location));
 	}
 
 	@Test
 	void withFileSystemResource() {
 		FileSystemResource location = new FileSystemResource("/static/");
-		PathResourceLookupFunction function = new PathResourceLookupFunction("/resources/**", location);
+		assertThatNoException().isThrownBy(() -> new PathResourceLookupFunction("/resources/**", location));
 	}
 
 }
diff --git a/spring-webmvc/src/test/java/org/springframework/web/servlet/function/PathResourceLookupFunctionTests.java b/spring-webmvc/src/test/java/org/springframework/web/servlet/function/PathResourceLookupFunctionTests.java
index 582ae35295..de2ec886f3 100644
--- a/spring-webmvc/src/test/java/org/springframework/web/servlet/function/PathResourceLookupFunctionTests.java
+++ b/spring-webmvc/src/test/java/org/springframework/web/servlet/function/PathResourceLookupFunctionTests.java
@@ -29,6 +29,7 @@ import org.springframework.core.io.Resource;
 import org.springframework.web.servlet.handler.PathPatternsTestUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatNoException;
 
 /**
  * @author Arjen Poutsma
@@ -107,13 +108,13 @@ class PathResourceLookupFunctionTests {
 	@SuppressWarnings("removal")
 	void withPathResource() {
 		org.springframework.core.io.PathResource location = new org.springframework.core.io.PathResource("/static/");
-		PathResourceLookupFunction function = new PathResourceLookupFunction("/resources/**", location);
+		assertThatNoException().isThrownBy(() -> new PathResourceLookupFunction("/resources/**", location));
 	}
 
 	@Test
 	void withFileSystemResource() {
 		FileSystemResource location = new FileSystemResource("/static/");
-		PathResourceLookupFunction function = new PathResourceLookupFunction("/resources/**", location);
+		assertThatNoException().isThrownBy(() -> new PathResourceLookupFunction("/resources/**", location));
 	}
 
 }