[FLAKE] disable CliqueProposeRpcAcceptanceTests x 2 (#8035)

Signed-off-by: Sally MacFarlane <[email protected]>

Author: macfarla

acceptance-tests/tests/src/test/java/org/hyperledger/besu/tests/acceptance/clique/CliqueProposeRpcAcceptanceTest.java

@@ -21,6 +21,7 @@
 
 import java.io.IOException;
 
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 public class CliqueProposeRpcAcceptanceTest extends AcceptanceTestBase {
@@ -59,6 +60,7 @@ public void shouldRemoveValidators() throws IOException {
     cluster.verify(clique.validatorsEqual(minerNode1, minerNode2));
   }
 
+  @Disabled
   @Test
   public void shouldNotAddValidatorWhenInsufficientVotes() throws IOException {
     final String[] initialValidators = {"miner1", "miner2"};
@@ -90,6 +92,7 @@ public void shouldNotRemoveValidatorWhenInsufficientVotes() throws IOException {
     cluster.verify(clique.validatorsEqual(minerNode1, minerNode2, minerNode3));
   }
 
+  @Disabled
   @Test
   public void shouldIncludeVoteInBlockHeader() throws IOException {
     final String[] initialValidators = {"miner1", "miner2"};