Polish "Replace this lambda with a method reference"

Closes gh-15401

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/client/OAuth2ClientPropertiesRegistrationAdapter.java

@@ -72,8 +72,7 @@ public final class OAuth2ClientPropertiesRegistrationAdapter {
 		map.from(properties::getAuthorizationGrantType).as(AuthorizationGrantType::new)
 				.to(builder::authorizationGrantType);
 		map.from(properties::getRedirectUri).to(builder::redirectUriTemplate);
-		map.from(properties::getScope).as(StringUtils::toStringArray)
-				.to(builder::scope);
+		map.from(properties::getScope).as(StringUtils::toStringArray).to(builder::scope);
 		map.from(properties::getClientName).to(builder::clientName);
 		return builder.build();
 	}

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/context/assertj/ApplicationContextAssertProviderTests.java

@@ -131,8 +131,7 @@ public class ApplicationContextAssertProviderTests {
 	public void getSourceContextWhenContextFailsShouldThrowException() {
 		ApplicationContextAssertProvider<ApplicationContext> context = get(
 				this.startupFailureSupplier);
-		assertThatIllegalStateException()
-				.isThrownBy(context::getSourceApplicationContext)
+		assertThatIllegalStateException().isThrownBy(context::getSourceApplicationContext)
 				.withCause(this.startupFailure).withMessageContaining("failed to start");
 	}
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/properties/bind/BindResultTests.java

@@ -66,8 +66,8 @@ public class BindResultTests {
 	@Test
 	public void getWhenHasNoValueShouldThrowException() {
 		BindResult<String> result = BindResult.of(null);
-		assertThatExceptionOfType(NoSuchElementException.class)
-				.isThrownBy(result::get).withMessageContaining("No value bound");
+		assertThatExceptionOfType(NoSuchElementException.class).isThrownBy(result::get)
+				.withMessageContaining("No value bound");
 	}
 
 	@Test