Adding mockito sample code

Author: sivaprasadreddy

junit4-and-5-maven-sample/pom.xml

@@ -52,7 +52,7 @@
         <plugins>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.0.0-M6</version>
+                <version>3.0.0</version>
             </plugin>
         </plugins>
     </build>

junit5-assertj-sample/pom.xml

@@ -47,7 +47,7 @@
         <plugins>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.0.0-M6</version>
+                <version>3.0.0</version>
             </plugin>
         </plugins>
     </build>

junit5-maven-sample/pom.xml

@@ -47,7 +47,7 @@
         <plugins>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.0.0-M6</version>
+                <version>3.0.0</version>
             </plugin>
         </plugins>
     </build>

junit5-mockito-sample/.gitignore

@@ -0,0 +1,4 @@
+.idea
+*.iml
+target
+

junit5-mockito-sample/.mvn/wrapper/maven-wrapper.jar

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.6/apache-maven-3.8.6-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar