diff --git a/test/nftClient/createNFTCollection.test.ts b/test/nftClient/createNFTCollection.test.ts
index e1ea9af..704e9ed 100644
--- a/test/nftClient/createNFTCollection.test.ts
+++ b/test/nftClient/createNFTCollection.test.ts
@@ -61,19 +61,19 @@ describe("SDK Test", function () {
             expect(response.nftContract).to.be.a("string").and.not.empty;
         });          
 
-        it.skip("Create NFT collection with mintCost and invalid mintToken", async function () {
-            let mintToken: any;
-            const options = {
-                maxSupply: 10n,
-                mintCost: 1,
-                mintToken: mintToken,
-                owner: accountA.address
-            };
-
-            const response = await expect(
-                createNFTCollection("A", "sdk-e2e-test", "test", true, options)
-            ).to.be.rejectedWith("Failed to create a SPG NFT collection: Invalid mint token address, mint cost is greater than 0.");
-        });          
+        // it.skip("Create NFT collection with mintCost and invalid mintToken", async function () {
+        //     let mintToken: any;
+        //     const options = {
+        //         maxSupply: 10n,
+        //         mintCost: 1,
+        //         mintToken: mintToken,
+        //         owner: accountA.address
+        //     };
+
+        //     const response = await expect(
+        //         createNFTCollection("A", "sdk-e2e-test", "test", true, options)
+        //     ).to.be.rejectedWith("Failed to create a SPG NFT collection: Invalid mint token address, mint cost is greater than 0.");
+        // });          
 
         it("Create NFT collection with multi undefined parameters", async function () {
             let maxSupply: any;
@@ -106,35 +106,35 @@ describe("SDK Test", function () {
             ).to.be.rejectedWith("Failed to create a SPG NFT collection: Cannot convert test to a BigInt");
         });          
 
-        it.skip("Create NFT collection with invalid type for mintCost", async function () {
-            const options = {
-                mintCost: "test"
-            };
-
-            const response = await expect(
-                createNFTCollection("A", "sdk-e2e-test", "test", true, options)
-            ).to.be.rejectedWith("Failed to create a SPG NFT collection: Cannot convert test to a BigInt");
-        });                  
-
-        it.skip("Create NFT collection with invalid type for mintToken", async function () {
-            const options = {
-                mintToken: "test"
-            };
-
-            const response = await expect(
-                createNFTCollection("A", "sdk-e2e-test", "test", true, options)
-            ).to.be.rejectedWith("Failed to create a SPG NFT collection: Address \"test\" is invalid.");
-        });          
-
-        it.skip("Create NFT collection with mintToken: 0x0000", async function () {
-            const options = {
-                mintToken: "0x0000"
-            };
-
-            const response = await expect(
-                createNFTCollection("A", "sdk-e2e-test", "test", true, options)
-            ).to.be.rejectedWith("Failed to create a SPG NFT collection: Address \"0x0000\" is invalid.");
-        });          
+        // it.skip("Create NFT collection with invalid type for mintCost", async function () {
+        //     const options = {
+        //         mintCost: "test"
+        //     };
+
+        //     const response = await expect(
+        //         createNFTCollection("A", "sdk-e2e-test", "test", true, options)
+        //     ).to.be.rejectedWith("Failed to create a SPG NFT collection: Cannot convert test to a BigInt");
+        // });                  
+
+        // it.skip("Create NFT collection with invalid type for mintToken", async function () {
+        //     const options = {
+        //         mintToken: "test"
+        //     };
+
+        //     const response = await expect(
+        //         createNFTCollection("A", "sdk-e2e-test", "test", true, options)
+        //     ).to.be.rejectedWith("Failed to create a SPG NFT collection: Address \"test\" is invalid.");
+        // });          
+
+        // it.skip("Create NFT collection with mintToken: 0x0000", async function () {
+        //     const options = {
+        //         mintToken: "0x0000"
+        //     };
+
+        //     const response = await expect(
+        //         createNFTCollection("A", "sdk-e2e-test", "test", true, options)
+        //     ).to.be.rejectedWith("Failed to create a SPG NFT collection: Address \"0x0000\" is invalid.");
+        // });          
 
         it("Create NFT collection with invalid type for owner", async function () {
             const options = {