[PAN-2652] RefactorPrivacyTests

acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNode.java

@@ -118,8 +118,8 @@ public PantheonNode(
         path -> {
           try {
             copyResource(path, homeDirectory.resolve("key"));
-          } catch (IOException e) {
-            LOG.error("Could not find key file \"{}\" in resources", path);
+          } catch (Exception e) {
+            LOG.error(String.format("Could not find key file \"%s\" in resources", path), e);
           }
         });
     this.keyPair = KeyPairUtil.loadKeyPair(homeDirectory);

acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/privacy/PrivateAcceptanceTestBase.java

@@ -42,12 +42,12 @@ public PrivateAcceptanceTestBase() {
     privateTransactionVerifier = new PrivateTransactionVerifier(eea, transactions);
   }
 
-  protected static OrionTestHarness createEnclave(
+  public static OrionTestHarness createEnclave(
       final String pubKey, final String privKey, final String... othernode) throws Exception {
     return OrionTestHarnessFactory.create(privacy.newFolder().toPath(), pubKey, privKey, othernode);
   }
 
-  protected static PrivacyParameters getPrivacyParameters(final OrionTestHarness testHarness)
+  public static PrivacyParameters getPrivacyParameters(final OrionTestHarness testHarness)
       throws IOException {
     return new PrivacyParameters.Builder()
         .setEnabled(true)