diff --git a/saml2/saml2-service-provider/src/test/java/org/springframework/security/saml2/provider/service/web/Saml2MetadataFilterTests.java b/saml2/saml2-service-provider/src/test/java/org/springframework/security/saml2/provider/service/web/Saml2MetadataFilterTests.java
index 40ab5a8343..5de6effb87 100644
--- a/saml2/saml2-service-provider/src/test/java/org/springframework/security/saml2/provider/service/web/Saml2MetadataFilterTests.java
+++ b/saml2/saml2-service-provider/src/test/java/org/springframework/security/saml2/provider/service/web/Saml2MetadataFilterTests.java
@@ -165,7 +165,7 @@ public class Saml2MetadataFilterTests {
 		this.filter.setMetadataFilename(testMetadataFilename);
 		this.filter.doFilter(this.request, this.response, this.chain);
 		assertThat(this.response.getCharacterEncoding()).isEqualTo(StandardCharsets.UTF_8.name());
-		assertThat(new String(this.response.getContentAsByteArray())).isEqualTo(generatedMetadata);
+		assertThat(this.response.getContentAsString(StandardCharsets.UTF_8)).isEqualTo(generatedMetadata);
 	}
 
 	@Test