Implement prefer-template tslint rule

1 files changed, 3 insertions, 3 deletions

diff --git a/contracts/core/test/exchange/signature_validator.ts b/contracts/core/test/exchange/signature_validator.ts
index b84a488a1..ee751efac 100644
--- a/contracts/core/test/exchange/signature_validator.ts
+++ b/contracts/core/test/exchange/signature_validator.ts
@@ -135,7 +135,7 @@ describe('MixinSignatureValidator', () => {
 
         it('should revert when signature type is unsupported', async () => {
             const unsupportedSignatureType = SignatureType.NSignatureTypes;
-            const unsupportedSignatureHex = '0x' + Buffer.from([unsupportedSignatureType]).toString('hex');
+            const unsupportedSignatureHex = `0x${Buffer.from([unsupportedSignatureType]).toString('hex')}`;
             const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder);
             return expectContractCallFailedAsync(
                 signatureValidator.publicIsValidSignature.callAsync(
@@ -148,7 +148,7 @@ describe('MixinSignatureValidator', () => {
         });
 
         it('should revert when SignatureType=Illegal', async () => {
-            const unsupportedSignatureHex = '0x' + Buffer.from([SignatureType.Illegal]).toString('hex');
+            const unsupportedSignatureHex = `0x${Buffer.from([SignatureType.Illegal]).toString('hex')}`;
             const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder);
             return expectContractCallFailedAsync(
                 signatureValidator.publicIsValidSignature.callAsync(
@@ -161,7 +161,7 @@ describe('MixinSignatureValidator', () => {
         });
 
         it('should return false when SignatureType=Invalid and signature has a length of zero', async () => {
-            const signatureHex = '0x' + Buffer.from([SignatureType.Invalid]).toString('hex');
+            const signatureHex = `0x${Buffer.from([SignatureType.Invalid]).toString('hex')}`;
             const orderHashHex = orderHashUtils.getOrderHashHex(signedOrder);
             const isValidSignature = await signatureValidator.publicIsValidSignature.callAsync(
                 orderHashHex,