fix: add junit dependency

pom.xml

@@ -19,9 +19,9 @@
     </issueManagement>
 
     <parent>
-        <groupId>org.sonatype.oss</groupId>
-        <artifactId>oss-parent</artifactId>
-        <version>7</version>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.7.12</version>
     </parent>
     <licenses>
         <license>
@@ -58,6 +58,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.33</version>
         </dependency>
         <dependency>
             <groupId>org.casbin</groupId>
@@ -80,6 +81,12 @@
             <artifactId>spring-boot-starter-test</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+
     </dependencies>
 
 </project>