fix llgo test unit test

.github/workflows/llgo.yml

@@ -139,8 +139,6 @@ jobs:
       - name: run llgo test
         run: |
           llgo test ./...
-          cd _demo
-          llgo test -v ./runtest
 
   hello:
     continue-on-error: true

cl/_testgo/runtest/main.go

@@ -1,8 +1,8 @@
 package main
 
 import (
-	"github.com/goplus/llgo/_demo/runtest/bar"
-	"github.com/goplus/llgo/_demo/runtest/foo"
+	"github.com/goplus/llgo/cl/_testgo/runtest/bar"
+	"github.com/goplus/llgo/cl/_testgo/runtest/foo"
 )
 
 func Zoo() int {

cl/_testgo/runtest/out.ll

@@ -0,0 +1 @@
+;

internal/build/build_test.go

@@ -57,10 +57,10 @@ func TestRun(t *testing.T) {
 	mockRun([]string{"-v", "../../cl/_testgo/print"}, &Config{Mode: ModeRun})
 }
 
-func _TestTest(t *testing.T) {
-	mockRun([]string{"-v", "../../_demo/runtest"}, &Config{Mode: ModeTest})
+func TestTest(t *testing.T) {
+	mockRun([]string{"-v", "../../cl/_testgo/runtest"}, &Config{Mode: ModeTest})
 }
 
 func TestCmpTest(t *testing.T) {
-	mockRun([]string{"-v", "../../_demo/runtest"}, &Config{Mode: ModeCmpTest})
+	mockRun([]string{"-v", "../../cl/_testgo/runtest"}, &Config{Mode: ModeCmpTest})
 }