Refactor fix by using charsets explicitly.

Author: AlexeyKuznetsov-DD

.gitlab-ci.yml

@@ -834,8 +834,6 @@ muzzle-dep-report:
     KUBERNETES_CPU_REQUEST: 10
     KUBERNETES_MEMORY_REQUEST: 20Gi
     KUBERNETES_MEMORY_LIMIT: 20Gi
-    LANG: C.UTF-8
-    LC_ALL: C.UTF-8
     TESTCONTAINERS_CHECKS_DISABLE: "true"
     TESTCONTAINERS_RYUK_DISABLED: "true"
     TESTCONTAINERS_HUB_IMAGE_NAME_PREFIX: "registry.ddbuild.io/images/mirror/"

internal-api/src/test/groovy/datadog/trace/api/git/RawParseUtilsTest.groovy

@@ -1,16 +1,16 @@
 package datadog.trace.api.git
 
+import static java.nio.charset.StandardCharsets.UTF_16
+import static java.nio.charset.StandardCharsets.UTF_8
 
 import spock.lang.Specification
 
-import java.nio.charset.StandardCharsets
-
 class RawParseUtilsTest extends Specification {
 
   def "test decode no fallback"() {
     setup:
-    def str = new String("some-string".getBytes(), StandardCharsets.UTF_16)
-    def encoded = str.bytes
+    def str = new String("some-string".getBytes(), UTF_16)
+    def encoded = str.getBytes(UTF_8)
 
     when:
     def decoded = RawParseUtils.decode(encoded, 0, encoded.length)
@@ -21,8 +21,8 @@ class RawParseUtilsTest extends Specification {
 
   def "test extract binary string"() {
     setup:
-    def str = new String("some-string".getBytes(), StandardCharsets.UTF_8)
-    def encoded = str.bytes
+    def str = new String("some-string".getBytes(), UTF_8)
+    def encoded = str.getBytes(UTF_8)
 
     when:
     def decoded = RawParseUtils.extractBinaryString(encoded, 0, encoded.length)