fix unit test

Makefile

@@ -15,4 +15,4 @@ run: build
 	docker run -it --rm -v "$(PWD):/workspace" -w /workspace my-dev-container
 
 test:
-	go test -v -race -gcflags="-l" -ldflags="-s=false" -coverprofile=coverage.txt -covermode=atomic ./...
+	./run_test.sh

run_test.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Save the root directory of the project
+ROOT_DIR=$(pwd)
+
+# Set the environment variable
+export LD_LIBRARY_PATH=$ROOT_DIR/rs:$LD_LIBRARY_PATH
+
+# Compile libzstd
+cd $ROOT_DIR/rs
+make libzstd
+
+# Run unit tests
+cd $ROOT_DIR
+go test -v -race -gcflags="-l" -ldflags="-s=false" -coverprofile=coverage.txt -covermode=atomic ./...