fixing ineffassign issues

internal/app/xhttp/pkg/resource/file_test.go

@@ -35,6 +35,7 @@ func TestHeaderFooterContents(t *testing.T) {
 	assert.Nil(t, err)
 	defer f2.Close() // nolint: errcheck
 	err = r.WithFile("footer.html", f2)
+	assert.Nil(t, err)
 	header, footer, err = HeaderFooterContents(r, config)
 	assert.Nil(t, err)
 	assert.Contains(t, header, expected)

internal/app/xhttp/pkg/resource/resource_test.go

@@ -261,6 +261,7 @@ func TestFcontent(t *testing.T) {
 	err = r.WithFile(filename, f)
 	assert.Nil(t, err)
 	v, err = r.Fcontent(filename, defaultValue)
+	assert.Nil(t, err)
 	assert.Contains(t, v, defaultValue)
 	// finally...
 	err = r.Close()