javadoc fixes for some warnings.

racevisionGame/src/test/java/network/MessageDecoders/RequestToJoinDecoderTest.java

@@ -20,6 +20,7 @@ public class RequestToJoinDecoderTest {
      * Encodes and decodes a given message.
      * @param message Message to encode/decode.
      * @return The decoded message.
+     * @throws InvalidMessageException If the message cannot be encoded.
      */
     private RequestToJoin encodeDecodeMessage(RequestToJoin message) throws InvalidMessageException {
 
@@ -37,6 +38,7 @@ public class RequestToJoinDecoderTest {
     /**
      * Tests if a specific request type message can be encoded and decoded correctly.
      * @param type The type of join request.
+     * @throws Exception if test fails.
      */
     private void requestTypeTest(RequestToJoinEnum type) throws Exception {
 
@@ -56,6 +58,7 @@ public class RequestToJoinDecoderTest {
 
     /**
      * Tests if a spectator request message can be encoded and decoded correctly.
+     * @throws Exception if test fails.
      */
     @Test
     public void spectatorTest() throws Exception {
@@ -64,6 +67,7 @@ public class RequestToJoinDecoderTest {
 
     /**
      * Tests if a participant request message can be encoded and decoded correctly.
+     * @throws Exception if test fails.
      */
     @Test
     public void participantTest() throws Exception {
@@ -72,6 +76,7 @@ public class RequestToJoinDecoderTest {
 
     /**
      * Tests if a ghost request message can be encoded and decoded correctly.
+     * @throws Exception if test fails.
      */
     @Test
     public void ghostTest() throws Exception {