Bug 1654469 - Fix test protocol names. r=mccr8

Differential Revision: https://phabricator.services.mozilla.com/D84656

ipc/ipdl/test/ipdl/ok/PStructComparable.ipdl

@@ -3,7 +3,7 @@ comparable struct S {
     double d;
 };
 
-sync protocol PStruct {
+sync protocol PStructComparable {
 parent:
     sync test(S s) returns (S ss);
     async __delete__();

ipc/ipdl/test/ipdl/ok/Punion_Comparable.ipdl

@@ -3,7 +3,7 @@ comparable union Basic {
     double;
 };
 
-sync protocol Punion_Basic {
+sync protocol Punion_Comparable {
 
 parent:
     sync Msg(Basic p) returns (Basic r);