diff --git a/test/unit/deref.test.js b/test/unit/deref.test.js
index 4d9ef4a..1e0f2c8 100644
--- a/test/unit/deref.test.js
+++ b/test/unit/deref.test.js
@@ -93,13 +93,15 @@ describe('DEREF FUNCTION TESTS ', function() {
           }
         },
         parameterSource = 'REQUEST',
-        output = deref.resolveRefs(schema, parameterSource, componentsAndPaths),
-        output_withdot = deref.resolveRefs(schemaWithDotInKey, parameterSource, componentsAndPaths),
-        output_customFormat = deref.resolveRefs(schemaWithCustomFormat, parameterSource, componentsAndPaths),
-        output_withAllOf = deref.resolveRefs(schemaWithAllOf, parameterSource, componentsAndPaths),
-        output_validationTypeArray = deref.resolveRefs(schemaWithTypeArray, parameterSource, componentsAndPaths,
-          {}, 'VALIDATION'),
-        output_emptyObject = deref.resolveRefs(schemaWithEmptyObject, parameterSource, componentsAndPaths);
+        // deref.resolveRefs modifies the input schema and components so cloning to keep tests independent of each other
+        output = deref.resolveRefs(schema, parameterSource, _.cloneDeep(componentsAndPaths)),
+        output_withdot = deref.resolveRefs(schemaWithDotInKey, parameterSource, _.cloneDeep(componentsAndPaths)),
+        output_customFormat = deref.resolveRefs(schemaWithCustomFormat, parameterSource,
+          _.cloneDeep(componentsAndPaths)),
+        output_withAllOf = deref.resolveRefs(schemaWithAllOf, parameterSource, _.cloneDeep(componentsAndPaths)),
+        output_validationTypeArray = deref.resolveRefs(schemaWithTypeArray, parameterSource,
+          _.cloneDeep(componentsAndPaths), {}, 'VALIDATION'),
+        output_emptyObject = deref.resolveRefs(schemaWithEmptyObject, parameterSource, _.cloneDeep(componentsAndPaths));
 
       expect(output).to.deep.include({ type: 'object',
         required: ['id'],
@@ -116,7 +118,7 @@ describe('DEREF FUNCTION TESTS ', function() {
         type: 'object',
         description: 'Schema 2',
         properties: {
-          id: { default: '<long>', type: 'integer', format: 'int64' },
+          id: { default: '<long>', type: 'integer' },
           test_prop: { default: '<string>', type: 'string' }
         }
       });