fixup! Create spring-boot-health module

Author: wilkinsona

spring-boot-project/spring-boot-health/build.gradle

@@ -16,4 +16,6 @@ dependencies {
 	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
 	testImplementation("com.fasterxml.jackson.core:jackson-databind")
 	testImplementation("io.projectreactor:reactor-test")
+	
+	testRuntimeOnly("ch.qos.logback:logback-classic")
 }

spring-boot-project/spring-boot-health/src/main/java/org/springframework/boot/health/ReactiveHealthContributor.java

@@ -35,10 +35,7 @@ static ReactiveHealthContributor adapt(HealthContributor healthContributor) {
 		if (healthContributor instanceof HealthIndicator healthIndicator) {
 			return new HealthIndicatorReactiveAdapter(healthIndicator);
 		}
-		if (healthContributor instanceof CompositeHealthContributor compositeHealthContributor) {
-			return new CompositeHealthContributorReactiveAdapter(compositeHealthContributor);
-		}
-		throw new IllegalStateException("Unknown HealthContributor type");
+		return new CompositeHealthContributorReactiveAdapter((CompositeHealthContributor) healthContributor);
 	}
 
 }

spring-boot-project/spring-boot-health/src/main/java/org/springframework/boot/health/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-2025 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Classes related to monitoring the health of an application.
+ */
+package org.springframework.boot.health;

spring-boot-project/spring-boot-health/src/test/java/org/springframework/boot/health/ReactiveHealthContributorTests.java

@@ -22,8 +22,6 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
-import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
-import static org.mockito.Mockito.mock;
 
 /**
  * Tests for {@link ReactiveHealthContributor}.
@@ -57,11 +55,4 @@ void adaptWhenCompositeHealthContributorReturnsCompositeHealthContributorReactiv
 		assertThat(((ReactiveHealthIndicator) contained).health().block().getStatus()).isEqualTo(Status.OUT_OF_SERVICE);
 	}
 
-	@Test
-	void adaptWhenUnknownThrowsException() {
-		assertThatIllegalStateException()
-			.isThrownBy(() -> ReactiveHealthContributor.adapt(mock(HealthContributor.class)))
-			.withMessage("Unknown HealthContributor type");
-	}
-
 }