rollback change on file

provider/file/file_test.go

@@ -7,6 +7,7 @@ package file_test
 
 import (
 	"errors"
+	"strings"
 	"testing"
 
 	"github.com/nil-go/konf/provider/file"
@@ -33,7 +34,7 @@ func TestFile_Load(t *testing.T) {
 		{
 			description: "file (not exist)",
 			path:        "not_found.json",
-			err:         "read file: open not_found.json: no such file or directory",
+			err:         "read file: open not_found.json: ",
 		},
 		{
 			description: "unmarshal error",
@@ -55,7 +56,7 @@ func TestFile_Load(t *testing.T) {
 
 			values, err := file.New(testcase.path, testcase.opts...).Load()
 			if testcase.err != "" {
-				assert.EqualError(t, err, testcase.err)
+				assert.True(t, strings.HasPrefix(err.Error(), testcase.err))
 			} else {
 				assert.NoError(t, err)
 				assert.Equal(t, testcase.expected, values)

provider/file/internal/assert/assert.go

@@ -24,13 +24,10 @@ func NoError(tb testing.TB, err error) {
 	}
 }
 
-func EqualError(tb testing.TB, err error, message string) {
+func True(tb testing.TB, value bool) {
 	tb.Helper()
 
-	switch {
-	case err == nil:
-		tb.Errorf("expected: %v; actual: <nil>", message)
-	case err.Error() != message:
-		tb.Errorf("expected: %v; actual: %v", message, err.Error())
+	if !value {
+		tb.Errorf("expected True")
 	}
 }