diff --git a/src/lib/test/keyring.test.js b/src/lib/test/keyring.test.js
index efa1314..9e1b7d4 100644
--- a/src/lib/test/keyring.test.js
+++ b/src/lib/test/keyring.test.js
@@ -22,7 +22,7 @@ beforeAll(async() => {
 
     result = await vault.generateVault(bufView,pin,phrase)
     vaultAddress=result.response
-    await vault.getAccounts(bufView);
+    await vault.getAccounts();
         
 });
 describe('exportMnemonic' , ()=>{
@@ -115,14 +115,14 @@ describe('addAccount' , ()=>{
         
     })
 
-    test('addAccount/empty encryption key' , async()=>{  
+    test('addAccount/empty encryption key' , async()=>{ 
         try{
             let result = await vault.addAccount(null,pin)
         }
         catch(e){
-            expect(e.message).toBe("Cannot read properties of undefined (reading 'length')")
+            expect(e.message).toBe("Incorrect Encryption Key or vault string")
         }
-        
+
     })
 
     test('addAccount/empty pin' , async()=>{  
@@ -892,6 +892,18 @@ describe('changePin',()=>{
         
     })
 
+    test('changePin/wrong currentpin' , async()=>{
+        try{
+                    let result = await vault.changePin(111111,pin,bufView)
+ 
+        }
+         catch(e){
+             expect(e).toBe('Wrong pin type, format or length')
+         }
+         
+         
+     })
+
     test('changePin/invalid currentpin' , async()=>{
        try{
                    let result = await vault.changePin('aefe',pin,bufView)
@@ -942,19 +954,23 @@ describe('changePin',()=>{
     })
 
     test('changePin/empty encryption key' , async()=>{
-       
-        let result = await vault.changePin(pin,pin,null)
-        expect(result).toHaveProperty('response')
-        
-        
-        
+       try{
+            let result = await vault.changePin(pin,pin,null)
+       }
+       catch(e){
+            expect(e.message).toBe("Incorrect Encryption Key or vault string")
+        }
+             
         
     })
 
     test('changePin/invalid encryption key' , async()=>{
-       
+       try{
         let result = await vault.changePin(pin,pin,'efefe')
-        expect(result).toHaveProperty('response')
+       }
+        catch(e){
+            expect(e.message).toBe("Incorrect Encryption Key or vault string")
+        }
         
         
         
@@ -996,17 +1012,23 @@ describe('deleteAccount',()=>{
         
     })
     test('deleteAccount/empty encryption key' , async()=>{
-
+        try{
         let result = await vault.deleteAccount(null,accAddress,pin)
-        expect(result.error).toBe('This address is not present in the vault')
+        }
+        catch(e){
+            expect(e.message).toBe("Incorrect Encryption Key or vault string")
+        }
        
         
     })
 
     test('deleteAccount/invalid encryption key' , async()=>{
-
+        try{
         let result = await vault.deleteAccount(null,accAddress,pin)
-        expect(result.error).toBe('This address is not present in the vault')
+        }
+        catch(e){
+            expect(e.message).toBe("Incorrect Encryption Key or vault string")
+        }
        
         
     })
@@ -1066,22 +1088,11 @@ describe('deleteAccount',()=>{
 describe('getAccounts',()=>{
     test('getAccounts/valid' , async()=>{
         await vault.restoreKeyringState(vaultAddress,pin,bufView)
-        let result = await vault.getAccounts(bufView)
+        let result = await vault.getAccounts()
         expect(result).toHaveProperty('response')
         
     })
-    test('getAccounts/empty encryption key ' , async()=>{
-
-        let result = await vault.getAccounts(null)
-        expect(result.error).toBe('Incorrect Encryption Key or vault string')
-        
-    })
-    test('getAccounts/invalid encryption key ' , async()=>{
-
-        let result = await vault.getAccounts("aefefe")
-        expect(result.error).toBe('Incorrect Encryption Key or vault string')
-        
-    })
+    
 })
 
 
@@ -1142,7 +1153,7 @@ describe('signTransaction',()=>{
 
         }
         catch(e){
-             expect(e.message).toBe("No keyring found for the requested account.")
+             expect(e.message).toBe("Cannot read properties of undefined (reading 'toLowerCase')")
 
         }
         
@@ -1173,7 +1184,7 @@ describe('signTransaction',()=>{
 
         }
         catch(e){
-             expect(e.message).toBe("No keyring found for the requested account.")
+             expect(e.message).toBe("Cannot read properties of undefined (reading 'toLowerCase')")
 
         }
         
diff --git a/src/lib/test/vault.test.js b/src/lib/test/vault.test.js
index 061ad16..9a89324 100644
--- a/src/lib/test/vault.test.js
+++ b/src/lib/test/vault.test.js
@@ -12,7 +12,7 @@ describe('getSupportedChains' , ()=>{
 
     test('getSupportedChains' , async()=>{
         
-        let result = await new Vault().getSupportedChains()
+        let result = await new Vault({}).getSupportedChains()
         expect({
         evmChains: { ethereum: 'ETH', bsc: 'BSC', polygon: 'MATIC', optimism: 'OP', arbitrum: 'ARB', mantle: 'MNT', velas: 'VLX' },
         nonEvmChains: { bitcoin: 'BTC' }
@@ -28,7 +28,7 @@ describe('generateMnemonic' , ()=>{
 
     test('generateMnemonic' , async()=>{
         
-        let result = await new Vault().generateMnemonic()
+        let result = await new Vault({}).generateMnemonic()
         Mnemonic=result
         expect(typeof(result)).toBe("string")
    
@@ -58,7 +58,7 @@ describe("generateVault",()=>{
         const buf = new ArrayBuffer(32);
         const bufView = new Uint8Array(buf);
        
-        let result = await new Vault().generateVault(bufView,null,Mnemonic)
+        let result = await new Vault({}).generateVault(bufView,null,Mnemonic)
         expect(result.error).toBe("Wrong pin type, format or length") 
 
     })
@@ -66,14 +66,14 @@ describe("generateVault",()=>{
     test('generateVault/empty encrption key' , async()=>{
         const buf = new ArrayBuffer(32);
         const bufView = new Uint8Array(buf);
-        let result = await new Vault().generateVault(null,1111,Mnemonic)
+        let result = await new Vault({}).generateVault(null,1111,Mnemonic)
         expect(result.error).toBe('Wrong pin type, format or length')
     
     })
     test('generateVault/empty encrption key' , async()=>{
         const buf = new ArrayBuffer(32);
         const bufView = new Uint8Array(buf);
-        let result = await new Vault().generateVault(null,111111,Mnemonic)
+        let result = await new Vault({}).generateVault(null,111111,Mnemonic)
         expect(result.error).toBe('Please enter both encryptionKey and pin')
     
     })
@@ -82,7 +82,7 @@ describe("generateVault",()=>{
         const buf = new ArrayBuffer(32);
         const bufView = new Uint8Array(buf);
         try{
-            let result = await new Vault().generateVault(bufView,1111,null)
+            let result = await new Vault({}).generateVault(bufView,1111,null)
         }
         catch(e){
             expect(e.message).toBe('Seed phrase is invalid.')
@@ -95,7 +95,7 @@ describe("generateVault",()=>{
         const buf = new ArrayBuffer(32);
         const bufView = new Uint8Array(buf);
       
-        let result = await new Vault().generateVault(null,null,null)
+        let result = await new Vault({}).generateVault(null,null,null)
         expect(result.error).toBe("Wrong pin type, format or length")