Cleaning up junit dep issues in session tests.

+ Enforcer mandated

Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>

tests/test-sessions/pom.xml

@@ -10,7 +10,22 @@
   <name>Jetty Tests :: Sessions :: Parent</name>
   <url>http://www.eclipse.org/jetty</url>
   <packaging>pom</packaging>
-  <build></build>
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>org.junit.jupiter</groupId>
+        <artifactId>junit-jupiter</artifactId>
+        <version>${junit.version}</version>
+        <scope>test</scope>
+      </dependency>
+      <dependency>
+        <groupId>org.junit.jupiter</groupId>
+        <artifactId>junit-jupiter-api</artifactId>
+        <version>${junit.version}</version>
+        <scope>test</scope>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
   <modules>
     <module>test-sessions-common</module>
     <module>test-file-sessions</module>