CHE-2214: Fix compilation error (eclipse-che#2665)

Author: Anatoliy Bazko

plugins/plugin-nodejs-debugger/che-plugin-nodejs-debugger-ide/src/test/java/org/eclipse/che/plugin/nodejsdbg/ide/configuration/NodeJsDebuggerConfigurationPagePresenterTest.java

@@ -12,7 +12,6 @@
 
 import com.google.gwt.user.client.ui.AcceptsOneWidget;
 
-import org.eclipse.che.api.promises.client.Promise;
 import org.eclipse.che.ide.api.app.AppContext;
 import org.eclipse.che.ide.api.debug.DebugConfiguration;
 import org.eclipse.che.ide.api.debug.DebugConfigurationPage;
@@ -79,7 +78,6 @@ public void testResetting() throws Exception {
     @Test
     public void testGo() throws Exception {
         AcceptsOneWidget container = Mockito.mock(AcceptsOneWidget.class);
-        when(machineServiceClient.getMachines(appContext.getWorkspaceId())).thenReturn(mock(Promise.class));
 
         pagePresenter.go(container);