fix lint errors

internal/resource/file_test.go

@@ -324,7 +324,8 @@ func TestFileClone(t *testing.T) {
 	_,updateReadErr := f.Read(ctx)
 	assert.Nil(t, updateReadErr)
 
-	clone.Read(ctx)
+	_, cloneReadErr := clone.Read(ctx)
+	assert.Nil(t, cloneReadErr)
 
 	fmt.Printf("file %#v\nclone %#v\n", f, clone) 
 	assert.NotEqual(t, f.Mtime, clone.Mtime)
@@ -344,13 +345,15 @@ func TestFileErrors(t *testing.T) {
 	
 	read := NewFile()
 	read.Path = testFile
-	read.Read(ctx)
+	_, readErr := read.Read(ctx)
+	assert.Nil(t, readErr)
 	assert.Equal(t, "0631", read.Mode)
 
 	f.Mode = "900"
 	assert.ErrorAs(t, f.Apply(), &ErrInvalidFileMode, "Apply should fail with NumError when converting invalid octal")
 	
-	read.Read(ctx)
+	_, updateReadErr := read.Read(ctx)
+	assert.Nil(t, updateReadErr)
 	assert.Equal(t, "0631", read.Mode)
 
 	f.Mode = "0631"