[chore][cmd/configschema] Fix and re-enable resolver tests on Windows (…

…open-telemetry#29343)

**Description:**
Part 3 of open-telemetry#28679 these tests needed some fixes, related to file paths,
to be re-enabled on Windows.

**Link to tracking Issue:**
Related to open-telemetry#28679

**Testing:**
Local test run on Windows for the affected packages.

**Documentation:**
N/A

cmd/configschema/resolver_test.go

@@ -1,10 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-// Skip tests on Windows temporarily, see https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/11451
-//go:build !windows
-// +build !windows
-
 package configschema
 
 import (
@@ -48,7 +44,7 @@ func TestTypeToPackagePath_Local(t *testing.T) {
 
 func TestTypeToPackagePath_External(t *testing.T) {
  packageDir := testTypeToPackagePath(t, otlpreceiver.Config{})
- assert.Contains(t, packageDir, "pkg/mod/go.opentelemetry.io/collector/receiver@")
+ assert.Contains(t, packageDir, filepath.Join("pkg", "mod", "go.opentelemetry.io", "collector", "receiver@"))
 }
 
 func TestTypeToPackagePath_Error(t *testing.T) {
@@ -59,7 +55,7 @@ func TestTypeToPackagePath_Error(t *testing.T) {
 
 func TestTypeToProjectPath(t *testing.T) {
  dir := testDR().ReflectValueToProjectPath(reflect.ValueOf(&redisreceiver.Config{}))
- assert.Equal(t, "../../receiver/redisreceiver", dir)
+ assert.Equal(t, filepath.Join("..", "..", "receiver", "redisreceiver"), dir)
 }
 
 func TestTypetoProjectPath_External(t *testing.T) {