Merge pull request #39544 from gdmrw

* pr/39544:
  Add smoke test for InfoContributor

Closes gh-39544

Author: mhalbritter

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-actuator/src/test/java/smoketest/actuator/SampleActuatorApplicationTests.java

@@ -177,6 +177,18 @@ void testLegacyHyphen() {
 		assertThat(entity.getBody()).contains(entry("legacy", "legacy"));
 	}
 
+	@Test
+	@SuppressWarnings("unchecked")
+	void testInfo() {
+		ResponseEntity<Map<String, Object>> entity = asMapEntity(
+				this.restTemplate.withBasicAuth("user", "password").getForEntity("/actuator/info", Map.class));
+		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
+		assertThat(entity.getBody()).containsKey("build");
+		Map<String, Object> body = entity.getBody();
+		Map<String, Object> example = (Map<String, Object>) body.get("example");
+		assertThat(example).containsEntry("someKey", "someValue");
+	}
+
 	@SuppressWarnings({ "unchecked", "rawtypes" })
 	static <K, V> ResponseEntity<Map<K, V>> asMapEntity(ResponseEntity<Map> entity) {
 		return (ResponseEntity) entity;