@Test
 public void testVarGenericsReferenceAssignation() {
   ClassFile cf =
       bci.readClassFile("src/test/classes/testclasses/assignation/ReferenceAssignation.class");
   MethodInstruction mi = cd.constructTree(cf.getMethods()[5]);
   assertNotNull(mi);
   assertTrue(mi.getInstructionsMap().firstEntry().getValue() instanceof AssignationInstruction);
   AssignationInstruction ai =
       (AssignationInstruction) mi.getInstructionsMap().firstEntry().getValue();
   assertTrue(ai.getValue() instanceof SimpleVariable);
   SimpleVariable c = (SimpleVariable) ai.getValue();
 }
 @Test
 public void testConstantReferenceAssignation() {
   ClassFile cf =
       bci.readClassFile("src/test/classes/testclasses/assignation/ReferenceAssignation.class");
   MethodInstruction mi = cd.constructTree(cf.getMethods()[1]);
   assertNotNull(mi);
   assertTrue(mi.getInstructionsMap().firstEntry().getValue() instanceof AssignationInstruction);
   AssignationInstruction ai =
       (AssignationInstruction) mi.getInstructionsMap().firstEntry().getValue();
   assertTrue(ai.getValue() instanceof Constant);
   Constant c = (Constant) ai.getValue();
 }