feat(testng): Migrate to JSON component

Author: PerfectSlayer

dd-java-agent/instrumentation/testng/src/main/java/datadog/trace/instrumentation/testng/TestNGUtils.java

@@ -1,8 +1,8 @@
 package datadog.trace.instrumentation.testng;
 
+import datadog.json.JsonWriter;
 import datadog.trace.api.civisibility.config.TestIdentifier;
 import datadog.trace.api.civisibility.events.TestSuiteDescriptor;
-import datadog.trace.util.Strings;
 import java.io.InputStream;
 import java.lang.invoke.MethodHandle;
 import java.lang.reflect.Method;
@@ -75,19 +75,14 @@ public static String getParameters(Object[] parameters) {
 
     // We build manually the JSON for test.parameters tag.
     // Example: {"arguments":{"0":"param1","1":"param2"}}
-    final StringBuilder sb = new StringBuilder("{\"arguments\":{");
-    for (int i = 0; i < parameters.length; i++) {
-      sb.append("\"")
-          .append(i)
-          .append("\":\"")
-          .append(Strings.escapeToJson(String.valueOf(parameters[i])))
-          .append("\"");
-      if (i != parameters.length - 1) {
-        sb.append(",");
+    try (JsonWriter writer = new JsonWriter()) {
+      writer.beginObject().name("arguments").beginObject();
+      for (int i = 0; i < parameters.length; i++) {
+        writer.name(Integer.toString(i)).value(String.valueOf(parameters[i]));
       }
+      writer.endObject().endObject();
+      return writer.toString();
     }
-    sb.append("}}");
-    return sb.toString();
   }
 
   public static List<String> getGroups(ITestResult result) {