Merge 2.7.9 release (#783)

* renew NOTICE

* prepare 2.7.9 release

* fix test cases order in dubbo-spring-boot-autuconfigure-compatible

* add test suite to make order
diff --git a/NOTICE b/NOTICE
index e02ff73..f6fa147 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 Apache Dubbo
-Copyright 2018-2020 The Apache Software Foundation
+Copyright 2018-2021 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
\ No newline at end of file
diff --git a/dubbo-spring-boot-compatible/autoconfigure/src/test/java/org/apache/dubbo/spring/boot/TestSuite.java b/dubbo-spring-boot-compatible/autoconfigure/src/test/java/org/apache/dubbo/spring/boot/TestSuite.java
new file mode 100644
index 0000000..f9106b9
--- /dev/null
+++ b/dubbo-spring-boot-compatible/autoconfigure/src/test/java/org/apache/dubbo/spring/boot/TestSuite.java
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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
+ *
+ *     http://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.
+ */
+package org.apache.dubbo.spring.boot;
+
+import org.apache.dubbo.spring.boot.autoconfigure.CompatibleDubboAutoConfigurationTest;
+import org.apache.dubbo.spring.boot.autoconfigure.CompatibleDubboAutoConfigurationTestWithoutProperties;
+import org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfigurationOnMultipleConfigTest;
+import org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfigurationOnSingleConfigTest;
+import org.apache.dubbo.spring.boot.autoconfigure.RelaxedDubboConfigBinderTest;
+import org.apache.dubbo.spring.boot.context.event.AwaitingNonWebApplicationListenerTest;
+import org.apache.dubbo.spring.boot.context.event.DubboConfigBeanDefinitionConflictApplicationListenerTest;
+import org.apache.dubbo.spring.boot.context.event.OverrideDubboConfigApplicationListenerDisableTest;
+import org.apache.dubbo.spring.boot.context.event.OverrideDubboConfigApplicationListenerTest;
+import org.apache.dubbo.spring.boot.context.event.WelcomeLogoApplicationListenerTest;
+import org.apache.dubbo.spring.boot.env.DubboDefaultPropertiesEnvironmentPostProcessorTest;
+import org.apache.dubbo.spring.boot.util.DubboUtilsTest;
+import org.apache.dubbo.spring.boot.util.EnvironmentUtilsTest;
+
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
+
+@RunWith(Suite.class)
+@Suite.SuiteClasses({
+        CompatibleDubboAutoConfigurationTest.class,
+        CompatibleDubboAutoConfigurationTestWithoutProperties.class,
+        DubboAutoConfigurationOnMultipleConfigTest.class,
+        DubboAutoConfigurationOnSingleConfigTest.class,
+        RelaxedDubboConfigBinderTest.class,
+        AwaitingNonWebApplicationListenerTest.class,
+        DubboConfigBeanDefinitionConflictApplicationListenerTest.class,
+        OverrideDubboConfigApplicationListenerDisableTest.class,
+        OverrideDubboConfigApplicationListenerTest.class,
+        WelcomeLogoApplicationListenerTest.class,
+        DubboDefaultPropertiesEnvironmentPostProcessorTest.class,
+        DubboUtilsTest.class,
+        EnvironmentUtilsTest.class
+})
+public class TestSuite {
+}
diff --git a/dubbo-spring-boot-compatible/autoconfigure/src/test/java/org/apache/dubbo/spring/boot/context/event/OverrideDubboConfigApplicationListenerTest.java b/dubbo-spring-boot-compatible/autoconfigure/src/test/java/org/apache/dubbo/spring/boot/context/event/OverrideDubboConfigApplicationListenerTest.java
index 87ee1c3..eb1e0aa 100644
--- a/dubbo-spring-boot-compatible/autoconfigure/src/test/java/org/apache/dubbo/spring/boot/context/event/OverrideDubboConfigApplicationListenerTest.java
+++ b/dubbo-spring-boot-compatible/autoconfigure/src/test/java/org/apache/dubbo/spring/boot/context/event/OverrideDubboConfigApplicationListenerTest.java
@@ -25,6 +25,7 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.TestPropertySource;
 import org.springframework.test.context.junit4.SpringRunner;
 
@@ -47,6 +48,7 @@
 @SpringBootTest(
         classes = {OverrideDubboConfigApplicationListener.class}
 )
+@DirtiesContext(classMode = DirtiesContext.ClassMode.BEFORE_EACH_TEST_METHOD)
 public class OverrideDubboConfigApplicationListenerTest {
 
     @BeforeClass
@@ -62,7 +64,6 @@
 
     @Test
     public void testOnApplicationEvent() {
-
         Properties properties = ConfigUtils.getProperties();
 
         Assert.assertEquals("dubbo-demo-application", properties.get("dubbo.application.name"));
diff --git a/pom.xml b/pom.xml
index 59ad031..1018482 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,7 +38,7 @@
     <properties>
         <maven_javadoc_version>3.0.1</maven_javadoc_version>
         <maven_surefire_version>2.19.1</maven_surefire_version>
-        <revision>2.7.9-SNAPSHOT</revision>
+        <revision>2.7.9</revision>
     </properties>
 
     <modules>