Fix Flaky Unit Test

[cicoyle]

Fix flaky test showing in CI:

https://github.com/dapr/java-sdk/actions/runs/13773015167/job/38515789368?pr=1246

Error:  Errors: 
Error:    ConsumerAppTests.testMessageConsumer » IllegalState Failed to load ApplicationContext for [WebMergedContextConfiguration@60a781 testClass = io.dapr.springboot.examples.consumer.ConsumerAppTests, locations = [], classes = [io.dapr.springboot.examples.consumer.TestConsumerApplication, io.dapr.springboot.examples.consumer.DaprTestContainersConfig, io.dapr.springboot.examples.consumer.ConsumerAppTestConfiguration, io.dapr.springboot.DaprAutoConfiguration], contextInitializerClasses = [], activeProfiles = [], propertySourceDescriptors = [], propertySourceProperties = ["org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true"], contextCustomizers = [org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@a619c2, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@6331250e, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@a0a9fa5, org.springframework.boot.test.web.reactor.netty.DisableReactorResourceFactoryGlobalResourcesContextCustomizerFactory$DisableReactorResourceFactoryGlobalResourcesContextCustomizerCustomizer@6a84bc2a, org.springframework.boot.test.autoconfigure.OnFailureConditionReportContextCustomizerFactory$OnFailureConditionReportContextCustomizer@27068a50, org.springframework.boot.test.autoconfigure.actuate.observability.ObservabilityContextCustomizerFactory$DisableObservabilityContextCustomizer@1f, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizer@5d39f2d8, org.springframework.test.context.support.DynamicPropertiesContextCustomizer@0, org.springframework.boot.testcontainers.service.connection.ServiceConnectionContextCustomizer@0, org.springframework.boot.test.context.SpringBootTestAnnotation@eed3c14], resourceBasePath = "src/main/webapp", contextLoader = org.springframework.boot.test.context.SpringBootContextLoader, parent = null]
[INFO] 
Error:  Tests run: 1, Failures: 0, Errors: 1, Skipped: 0

for reference:
ciOutput.txt