boolean getTestFlagForRemovalRequest() {
      return testFlagForRemovalRequest;
    }
This gets pending requests and returns the IDs of any that are in the given collection

@param mbrs collection of IDs to search for
@param matchingMembers collection to store matching IDs in
@param requestType leave/remove/join
geode-membership/src/main/java/org/apache/geode/distributed/internal/membership/gms/membership/GMSJoinLeave.java