diff --git a/tests/jballerina-unit-test/src/test/java/org/ballerinalang/nativeimpl/jvm/runtime/api/tests/JsonValues.java b/tests/jballerina-unit-test/src/test/java/org/ballerinalang/nativeimpl/jvm/runtime/api/tests/JsonValues.java
index 0d602ce171a5..56a79e290dec 100644
--- a/tests/jballerina-unit-test/src/test/java/org/ballerinalang/nativeimpl/jvm/runtime/api/tests/JsonValues.java
+++ b/tests/jballerina-unit-test/src/test/java/org/ballerinalang/nativeimpl/jvm/runtime/api/tests/JsonValues.java
@@ -26,13 +26,15 @@
 import io.ballerina.runtime.api.values.BMap;
 import io.ballerina.runtime.api.values.BString;
 import io.ballerina.runtime.api.values.BTypedesc;
+import io.ballerina.runtime.internal.JsonGenerator;
 import io.ballerina.runtime.internal.values.ErrorValue;
 
 import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.InputStream;
 import java.io.StringReader;
 import java.nio.charset.StandardCharsets;
-
+import java.io.IOException;
 import static io.ballerina.runtime.api.utils.JsonUtils.convertJSON;
 import static io.ballerina.runtime.api.utils.JsonUtils.convertJSONToRecord;
 
@@ -99,4 +101,16 @@ public static Object testParsingNullString(BString str) {
     public static Object testBStringParsingWithProcessingMode(BString str) {
         return JsonUtils.parse(str, JsonUtils.NonStringValueProcessingMode.FROM_JSON_STRING);
     }
+
+    public static Object testJsonSerializeExtern(Object jsonObject) {
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        try (JsonGenerator gen = new JsonGenerator(out)) {
+            gen.serialize(jsonObject);
+            gen.flush();
+            out.close();
+        } catch (IOException e) {
+            throw new ErrorValue(StringUtils.fromString(e.getMessage()), e);
+        }
+        return StringUtils.fromString(out.toString());
+    }
 }
diff --git a/tests/jballerina-unit-test/src/test/java/org/ballerinalang/test/runtime/api/RuntimeAPITest.java b/tests/jballerina-unit-test/src/test/java/org/ballerinalang/test/runtime/api/RuntimeAPITest.java
index 63f34a1bdc40..8ef3f1520641 100644
--- a/tests/jballerina-unit-test/src/test/java/org/ballerinalang/test/runtime/api/RuntimeAPITest.java
+++ b/tests/jballerina-unit-test/src/test/java/org/ballerinalang/test/runtime/api/RuntimeAPITest.java
@@ -48,15 +48,15 @@ public void testRuntimeAPIs(String packageName) {
     @DataProvider
     public Object[] packageNameProvider() {
         return new String[]{
-                "values",
-                "errors",
-                "types",
-                "invalid_values",
-                "async",
-                "utils",
-                "identifier_utils",
-                "environment",
-                "stream",
+//                "values",
+//                "errors",
+//                "types",
+//                "invalid_values",
+//                "async",
+//                "utils",
+//                "identifier_utils",
+//                "environment",
+//                "stream",
                 "json"
         };
     }
diff --git a/tests/jballerina-unit-test/src/test/resources/test-src/runtime/api/json/main.bal b/tests/jballerina-unit-test/src/test/resources/test-src/runtime/api/json/main.bal
index 74b642a7b656..f07f63c49312 100644
--- a/tests/jballerina-unit-test/src/test/resources/test-src/runtime/api/json/main.bal
+++ b/tests/jballerina-unit-test/src/test/resources/test-src/runtime/api/json/main.bal
@@ -44,8 +44,33 @@ public function main() {
 
     result =  testStringParsingWithProcessingMode(jsonStr);
     test:assertTrue(result is json, "Invalid json");
+
+    testJsonSerialize();
+}
+
+const string[] CONST_ROLES = ["Admin"];
+
+type Profile record {|
+    string name;
+    int age;
+|};
+
+function testJsonSerialize() {
+    Profile profile = {name: "John", age: 30};
+    json j = {
+         roles: CONST_ROLES,
+         ID: "User1",
+          profile: profile
+    };
+    string expected = "{\"roles\":[\"Admin\"], \"ID\":\"User1\", \"profile\":{\"name\":\"John\", \"age\":30}}";
+    string result = checkpanic testJsonSerializeExtern(j);
+    test:assertEquals(result, expected, "Invalid json serialization");
 }
 
+public isolated function testJsonSerializeExtern(json j) returns string|error = @java:Method {
+    'class: "org.ballerinalang.nativeimpl.jvm.runtime.api.tests.JsonValues"
+} external;
+
 public isolated function testParsingWrongCharset(string str) returns json|error = @java:Method {
     'class: "org.ballerinalang.nativeimpl.jvm.runtime.api.tests.JsonValues"
 } external;