refactor:optimize discovery properties initialization.

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/DiscoveryPropertiesAutoConfiguration.java

@@ -29,7 +29,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.Import;
 
 /**
  * Common configuration of discovery.
@@ -38,9 +37,26 @@ import org.springframework.context.annotation.Import;
  */
 @Configuration(proxyBeanMethods = false)
 @ConditionalOnPolarisEnabled
-@Import({PolarisDiscoveryProperties.class, ConsulContextProperties.class, NacosContextProperties.class})
 public class DiscoveryPropertiesAutoConfiguration {
 
+	@Bean
+	@ConditionalOnMissingBean
+	public PolarisDiscoveryProperties polarisDiscoveryProperties() {
+		return new PolarisDiscoveryProperties();
+	}
+
+	@Bean
+	@ConditionalOnMissingBean
+	public ConsulContextProperties consulContextProperties() {
+		return new ConsulContextProperties();
+	}
+
+	@Bean
+	@ConditionalOnMissingBean
+	public NacosContextProperties nacosContextProperties() {
+		return new NacosContextProperties();
+	}
+
 	@Bean
 	@ConditionalOnMissingBean
 	public PolarisDiscoveryHandler polarisDiscoveryHandler(PolarisDiscoveryProperties polarisDiscoveryProperties,

spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/DiscoveryPropertiesAutoConfigurationTest.java

@@ -51,21 +51,6 @@ public class DiscoveryPropertiesAutoConfigurationTest {
 		});
 	}
 
-	@Test
-	public void testInit() {
-		ApplicationContextRunner applicationContextRunner = new ApplicationContextRunner().withConfiguration(
-						AutoConfigurations.of(
-								PolarisContextAutoConfiguration.class,
-								TestConfiguration.class,
-								DiscoveryPropertiesAutoConfiguration.class))
-				.withPropertyValues("spring.cloud.polaris.discovery.register=false")
-				.withPropertyValues("spring.cloud.consul.discovery.register=false")
-				.withPropertyValues("spring.cloud.consul.discovery.enabled=false");
-		applicationContextRunner.run(context -> {
-			assertThat(context).hasSingleBean(DiscoveryPropertiesAutoConfiguration.class);
-		});
-	}
-
 	@Configuration
 	static class TestConfiguration {
 		@Bean