Change snapshot test to use expect.to.satisfies

It shows value passed to the `expect()`

Author: foriequal0

test/src/e2e/snapshot.test.ts

@@ -50,14 +50,8 @@ describe("Snapshot", async function() {
         const stateRoot = (await node.sdk.rpc.chain.getBlock(blockHash))!
             .stateRoot;
         expect(
-            fs.existsSync(
-                path.join(
-                    SNAPSHOT_PATH,
-                    blockHash.toString(),
-                    stateRoot.toString()
-                )
-            )
-        ).to.be.true;
+            path.join(SNAPSHOT_PATH, blockHash.toString(), stateRoot.toString())
+        ).to.satisfies(fs.existsSync);
     });
 
     afterEach(function() {