diff --git a/src/test/java/org/gcube/common/clients/AsyncDelegateTest.java b/src/test/java/org/gcube/common/clients/AsyncDelegateTest.java
index 0327c05..458b0b0 100644
--- a/src/test/java/org/gcube/common/clients/AsyncDelegateTest.java
+++ b/src/test/java/org/gcube/common/clients/AsyncDelegateTest.java
@@ -37,16 +37,16 @@ import org.mockito.stubbing.Answer;
 public class AsyncDelegateTest {
 
 	AsyncProxyDelegate<Object> delegate;
-	
+
 	@Mock ProxyPlugin<Object,Object,?> plugin;
 	@Mock Object endpoint;
-	
+
 	@Mock Call<Object,Object> call;
-	
+
 	@Mock Object value;
 	@Mock Exception original;
 	@Mock Exception converted;
-	
+
 	@Before
 	@SuppressWarnings("all")
 	public void setup() throws Exception {
@@ -54,34 +54,34 @@ public class AsyncDelegateTest {
 
 		//create subject-under-testing
 		delegate =new AsyncProxyDelegate<Object>(mockDelegate(plugin,endpoint));
-		
+
 		//common configuration staging: mocking a delegate is not that immediate..
 		when(plugin.name()).thenReturn("some service");
 		when(plugin.convert(original,delegate.config())).thenReturn(converted);
 
-		
+
 	}
-	
+
 	@Test
 	public void asyncCallsReturnFutureValues() throws Exception {
-		
+
 		//stage call
 		when(call.call(endpoint)).thenReturn(value);
-		
+
 		Future<Object> future = delegate.makeAsync(call);
-		
+
 		Object output =  future.get();
-		
+
 		assertEquals(value,output);
-		
+
 		assertFalse(future.isCancelled());
-		
+
 		assertTrue(future.isDone());
 	}
 
 	@Test
 	public void asyncCallsTimeout() throws Exception {
-		
+
 		//stage call
 		Answer<?> slowly = new Answer<Object>() {
 			@Override
@@ -91,53 +91,48 @@ public class AsyncDelegateTest {
 			}
 		};
 		when(call.call(endpoint)).thenAnswer(slowly);
-		
+
 		Future<Object> future = delegate.makeAsync(call);
-		
+
 		try {
 			future.get(100,TimeUnit.MILLISECONDS);
 			fail();
 		}
 		catch(TimeoutException e) {}
-		
+
 	}
-	
+
 	@Test
 	public void asyncCallsExecuteInCallScope() throws Exception {
-		
+
 		final String scope = "a/b/c";
 		SecretManagerProvider.instance.set(new Secret() {
-			
-			@Override
-			public boolean isRefreshable() {
-				// TODO Auto-generated method stub
-				return false;
-			}
-			
+
+
 			@Override
 			public boolean isExpired() {
 				// TODO Auto-generated method stub
 				return false;
 			}
-			
+
 			@Override
 			public Owner getOwner() {
 				// TODO Auto-generated method stub
 				return null;
 			}
-			
+
 			@Override
 			public Map<String, String> getHTTPAuthorizationHeaders() {
 				// TODO Auto-generated method stub
 				return null;
 			}
-			
+
 			@Override
 			public String getContext() {
 				return scope;
 			}
 		});
-		
+
 		//stage call
 		Answer<?> checkingScope= new Answer<Object>() {
 			@Override
@@ -146,22 +141,22 @@ public class AsyncDelegateTest {
 				return value;
 			}
 		};
-		
+
 		when(call.call(endpoint)).thenAnswer(checkingScope);
-		
+
 		Future<Object> future = delegate.makeAsync(call);
-		
+
 		future.get();
 	}
-	
+
 	@Test
 	public void asyncCallReturnConvertedFaultsAsInnerCauses() throws Exception {
-		
+
 		//stage call
 		when(call.call(endpoint)).thenThrow(original);
-		
+
 		Future<Object> future = delegate.makeAsync(call);
-		
+
 		try {
 			future.get();
 			fail();
@@ -169,45 +164,40 @@ public class AsyncDelegateTest {
 		catch(Exception fault) {
 			assertEquals(converted,fault.getCause());
 		}
-		
+
 	}
 
 	@Test
 	public void asyncCallsAreInterrupted() throws Exception {
-		
+
 		final String scope = "a/b/c";
-SecretManagerProvider.instance.set(new Secret() {
-			
-			@Override
-			public boolean isRefreshable() {
-				// TODO Auto-generated method stub
-				return false;
-			}
-			
+		SecretManagerProvider.instance.set(new Secret() {
+
+
 			@Override
 			public boolean isExpired() {
 				// TODO Auto-generated method stub
 				return false;
 			}
-			
+
 			@Override
 			public Owner getOwner() {
 				// TODO Auto-generated method stub
 				return null;
 			}
-			
+
 			@Override
 			public Map<String, String> getHTTPAuthorizationHeaders() {
 				// TODO Auto-generated method stub
 				return null;
 			}
-			
+
 			@Override
 			public String getContext() {
 				return scope;
 			}
 		});
-		
+
 		//stage call
 		Answer<?> slowly = new Answer<Object>() {
 			@Override
@@ -222,12 +212,12 @@ SecretManagerProvider.instance.set(new Secret() {
 
 		new Thread() {
 			public void run() {
-				
+
 				future.cancel(true);
-				
+
 			};
 		}.start();
-		
+
 		try {
 			future.get();
 			fail();
@@ -235,12 +225,12 @@ SecretManagerProvider.instance.set(new Secret() {
 		catch(CancellationException fault) {
 			assertTrue(future.isCancelled());
 		}
-		
+
 	}
-	
+
 	@Test
 	public void callbacksGetResults() throws Exception {
-		
+
 		//stage call
 		Answer<?> answer = new Answer<Object>() {
 			@Override
@@ -248,9 +238,9 @@ SecretManagerProvider.instance.set(new Secret() {
 				return value;
 			}
 		};
-				
+
 		when(call.call(endpoint)).thenAnswer(answer);
-		
+
 		@SuppressWarnings("all")
 		Callback<Object> callback = mock(Callback.class);
 
@@ -258,16 +248,16 @@ SecretManagerProvider.instance.set(new Secret() {
 
 		//make sure the callback has had time to arrive
 		Thread.sleep(400);
-		
+
 		verify(callback).done(value);
-		
+
 		assertTrue(future.isDone());
-		
+
 	}
-	
+
 	@Test
 	public void callbacksGetTimeoutErrors() throws Exception {
-		
+
 		//stage call
 		Answer<?> slowly = new Answer<Object>() {
 			@Override
@@ -276,15 +266,15 @@ SecretManagerProvider.instance.set(new Secret() {
 				return value;
 			}
 		};
-				
+
 		when(call.call(endpoint)).thenAnswer(slowly);
-		
+
 		@SuppressWarnings("all")
 		Callback<Object> callback = mock(Callback.class);
 		when(callback.timeout()).thenReturn(100L);
 
 		final CountDownLatch latch = new CountDownLatch(1);
-		
+
 		Answer<?> unblock = new Answer<Object>() {
 			@Override
 			public Object answer(InvocationOnMock invocation) throws Throwable {
@@ -292,27 +282,27 @@ SecretManagerProvider.instance.set(new Secret() {
 				return value;
 			}
 		};
-		
+
 		doAnswer(unblock).when(callback).onFailure(any(TimeoutException.class));
-		
+
 		Future<?> future = delegate.makeAsync(call,callback);
-	
+
 		//makes sure callback has been invoked
 		latch.await(5,SECONDS);
-		
+
 		assertTrue(future.isCancelled());
 	}
-	
+
 	@Test
 	public void callbacksGetFaults() throws Exception {
-		
+
 		when(call.call(endpoint)).thenThrow(original);
-		
+
 		@SuppressWarnings("all")
 		Callback<Object> callback = mock(Callback.class);
-		
+
 		final CountDownLatch latch = new CountDownLatch(1);
-		
+
 		Answer<?> unblock = new Answer<Object>() {
 			@Override
 			public Object answer(InvocationOnMock invocation) throws Throwable {
@@ -323,14 +313,14 @@ SecretManagerProvider.instance.set(new Secret() {
 				return null;
 			}
 		};
-		
+
 		doAnswer(unblock).when(callback).onFailure(any(Throwable.class));
-		
+
 		delegate.makeAsync(call,callback);
-		
+
 		//makes sure callback has been invoked
 		latch.await(1,SECONDS);
-		
+
 	}
-	
+
 }