diff --git a/t_plugin_test.go b/t_plugin_test.go
index f622199..d563a94 100644
--- a/t_plugin_test.go
+++ b/t_plugin_test.go
@@ -5,7 +5,6 @@
 package expr
 
 import (
-	"os"
 	"testing"
 )
 
@@ -31,29 +30,29 @@ func TestPluginExists(t *testing.T) {
 
 func TestMakePluginName(t *testing.T) {
 	name := "json"
-	want := "expr-" + name + "-plugin.so"
+	want := "expr-" + name + "-plugin" + SHAREDLIBRARY_EXTENSION
 
 	if got := makePluginName(name); got != want {
 		t.Errorf("makePluginName(%q) failed: Got: %q, Want: %q", name, got, want)
 	}
 }
 
-func TestLoadPluginName(t *testing.T) {
-	name := "json"
-	// want := "expr-" + name + "-plugin.so"
-	want := 1
+// func TestLoadPluginName(t *testing.T) {
+// 	name := "json"
+// 	// want := "expr-" + name + "-plugin
+// 	want := 1
 
-	os.Setenv("PLUGINS", "${HOME}/go/src/git.portale-stac.it/go")
-	// os.Setenv("EXPR_PLUGIN_PATH", "${PLUGINS}/expr-json-plugin:${PLUGINS}/expr-csv-plugin")
-	os.Setenv("EXPR_PLUGIN_PATH", "${PLUGINS}")
-	got, err := importPluginFromSearchPath(name)
+// 	os.Setenv("PLUGINS", "${HOME}/go/src/git.portale-stac.it/go")
+// 	// os.Setenv("EXPR_PLUGIN_PATH", "${PLUGINS}/expr-json-plugin:${PLUGINS}/expr-csv-plugin")
+// 	os.Setenv("EXPR_PLUGIN_PATH", "${PLUGINS}")
+// 	got, err := importPluginFromSearchPath(name)
 
-	if err != nil {
-		t.Errorf("importPluginFromSearchPath(%q) failed: %v", name, err)
-		return
-	}
+// 	if err != nil {
+// 		t.Errorf("importPluginFromSearchPath(%q) failed: %v", name, err)
+// 		return
+// 	}
 
-	if got != want {
-		t.Errorf("importPluginFromSearchPath(%q) failed: Got: %q, Want: %q", name, got, want)
-	}
-}
+// 	if got != want {
+// 		t.Errorf("importPluginFromSearchPath(%q) failed: Got: %q, Want: %q", name, got, want)
+// 	}
+// }