Disable ImportTestcontainersTests when Docker is unavailable

See gh-35245

spring-boot-project/spring-boot-testcontainers/src/test/java/org/springframework/boot/testcontainers/ImportTestcontainersTests.java

@@ -26,6 +26,7 @@ import org.testcontainers.containers.PostgreSQLContainer;
 
 import org.springframework.boot.testcontainers.beans.TestcontainerBeanDefinition;
 import org.springframework.boot.testcontainers.context.ImportTestcontainers;
+import org.springframework.boot.testsupport.testcontainers.DisabledIfDockerUnavailable;
 import org.springframework.boot.testsupport.testcontainers.DockerImageNames;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.test.context.DynamicPropertyRegistry;
@@ -39,6 +40,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
  *
  * @author Phillip Webb
  */
+@DisabledIfDockerUnavailable
 class ImportTestcontainersTests {
 
 	private AnnotationConfigApplicationContext applicationContext;