#5571migrate-tests-to-Junit5

Signed-off-by: Fabio Pirola <fspirola@gmail.com>

Author: fspirola

besu/src/test/java/org/hyperledger/besu/chainimport/RlpBlockImporterTest.java

@@ -41,23 +41,21 @@
 import java.util.concurrent.CompletionException;
 
 import org.apache.tuweni.units.bigints.UInt256;
-import org.junit.Rule;
 import org.junit.jupiter.api.Test;
-import org.junit.rules.TemporaryFolder;
 import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.api.io.TempDir;
 import org.mockito.junit.jupiter.MockitoExtension;
 
 /** Tests for {@link RlpBlockImporter}. */
 @ExtendWith(MockitoExtension.class)
 public final class RlpBlockImporterTest {
 
-  @Rule public final TemporaryFolder folder = new TemporaryFolder();
+  @TempDir Path dataDir;
 
   private final RlpBlockImporter rlpBlockImporter = new RlpBlockImporter();
 
   @Test
   public void blockImport() throws IOException {
-    final Path dataDir = folder.newFolder().toPath();
     final Path source = dataDir.resolve("1000.blocks");
     BlockTestUtil.write1000Blocks(source);
     final BesuController targetController =
@@ -90,7 +88,6 @@ public void blockImportRejectsBadPow() throws IOException {
     // set merge flag to false, otherwise this test can fail if a merge test runs first
     MergeConfigOptions.setMergeEnabled(false);
 
-    final Path dataDir = folder.newFolder().toPath();
     final Path source = dataDir.resolve("badpow.blocks");
     BlockTestUtil.writeBadPowBlocks(source);
     final BesuController targetController =
@@ -120,7 +117,6 @@ public void blockImportRejectsBadPow() throws IOException {
 
   @Test
   public void blockImportCanSkipPow() throws IOException {
-    final Path dataDir = folder.newFolder().toPath();
     final Path source = dataDir.resolve("badpow.blocks");
     BlockTestUtil.writeBadPowBlocks(source);
     final BesuController targetController =

ethereum/p2p/src/test/java/org/hyperledger/besu/ethereum/p2p/peers/EnodeURLImplTest.java

@@ -500,7 +500,7 @@ public void toURI_WithHostnameShouldWorkWhenDnsEnabledAndUpdateEnabled()
         "enode://"
             + VALID_NODE_ID
             + "@"
-            + InetAddress.getLocalHost().getCanonicalHostName()
+            + InetAddress.getLocalHost().getHostName()
             + ":"
             + P2P_PORT;
     final URI expectedURI = URI.create(enodeURLString);