Bugfix: Operations from interfaces not simulateable

test-plugins/org.yakindu.sct.model.sexec.interpreter.test/src/org/yakindu/sct/model/sexec/interpreter/test/STextInterpreterTest.java

@@ -533,17 +533,4 @@ public class STextInterpreterTest extends AbstractSTextTest {
 	public void tearDown() {
 		context = null;
 	}
-
-	protected static final class TestExecutionContext extends
-			ExecutionContextImpl {
-
-		public String lastProcedureId;
-
-		@Override
-		public void call(String procedureId) {
-			super.call(procedureId);
-			lastProcedureId = procedureId;
-		}
-	}
-
 }