diff --git a/src/__tests__/cipher-text.test.ts b/src/__tests__/cipher-text.test.ts
index 4759083..ed5cc32 100644
--- a/src/__tests__/cipher-text.test.ts
+++ b/src/__tests__/cipher-text.test.ts
@@ -64,17 +64,17 @@ describe('CipherText', () => {
     expect(seal.CipherText.constructor.name).toBe('Function')
   })
   test('It should construct an instance', () => {
-    const Constructor = jest.fn(seal.CipherText)
+    const Constructor = jest.fn(() => seal.CipherText())
     Constructor()
     expect(Constructor).toHaveBeenCalledWith()
   })
   test('It should construct an instance with a bfvContext', () => {
-    const Constructor = jest.fn(seal.CipherText)
+    const Constructor = jest.fn(options => seal.CipherText(options))
     Constructor({ context: bfvContext })
     expect(Constructor).toHaveBeenCalledWith({ context: bfvContext })
   })
   test('It should construct an instance with a bfvContext, parmsId', () => {
-    const Constructor = jest.fn(seal.CipherText)
+    const Constructor = jest.fn(options => seal.CipherText(options))
     const parmsId = bfvContext.firstParmsId
     Constructor({ context: bfvContext, parmsId })
     expect(Constructor).toHaveBeenCalledWith({
@@ -83,7 +83,7 @@ describe('CipherText', () => {
     })
   })
   test('It should construct an instance with a bfvContext, parmsId, sizeCapacity', () => {
-    const Constructor = jest.fn(seal.CipherText)
+    const Constructor = jest.fn(options => seal.CipherText(options))
     const parmsId = bfvContext.firstParmsId
     Constructor({ context: bfvContext, parmsId, sizeCapacity: 2 })
     expect(Constructor).toHaveBeenCalledWith({
@@ -93,7 +93,7 @@ describe('CipherText', () => {
     })
   })
   test('It should fail to construct an instance from invalid parameters', () => {
-    const Constructor = jest.fn(seal.CipherText)
+    const Constructor = jest.fn(options => seal.CipherText(options))
     expect(() =>
       Constructor({ context: bfvContext, sizeCapacity: 2 })
     ).toThrow()
@@ -103,7 +103,7 @@ describe('CipherText', () => {
     })
   })
   test('It should fail to construct an instance from bad parameters', () => {
-    const Constructor = jest.fn(seal.CipherText)
+    const Constructor = jest.fn(options => seal.CipherText(options))
     const parmsId = bfvContext.firstParmsId
     expect(() =>
       Constructor({ context: bfvContext, parmsId, sizeCapacity: -2 })