diff --git a/core-java-modules/core-java-collections-maps-6/src/test/java/com/baeldung/maptojson/MapToJsonUnitTest.java b/core-java-modules/core-java-collections-maps-6/src/test/java/com/baeldung/maptojson/MapToJsonUnitTest.java
index 7a9f046a94..d9b13f4f4a 100644
--- a/core-java-modules/core-java-collections-maps-6/src/test/java/com/baeldung/maptojson/MapToJsonUnitTest.java
+++ b/core-java-modules/core-java-collections-maps-6/src/test/java/com/baeldung/maptojson/MapToJsonUnitTest.java
@@ -17,49 +17,40 @@ import java.util.HashMap;
 import java.util.Map;
 
 public class MapToJsonUnitTest {
-    final TypeAdapter<JsonElement> strictAdapter = new Gson().getAdapter(JsonElement.class);
+String originalJsonData = "{\"CS\":\"Post1\",\"Linux\":\"Post1\",\"Kotlin\":\"Post1\"}";
 
-    public boolean isValid(String json) {
-        try {
-            strictAdapter.fromJson(json);
-        } catch (JsonSyntaxException | IOException e) {
-            return false;
-        }
-        return true;
-    }
+@Test
+public void given_HashMapData_whenUsingJackson_thenConvertToJson() throws JsonProcessingException {
+    Map<String, String> data = new HashMap();
+    data.put("CS", "Post1");
+    data.put("Linux", "Post1");
+    data.put("Kotlin", "Post1");
+    ObjectMapper objectMapper = new ObjectMapper();
+    String jacksonData = objectMapper.writeValueAsString(data);
+    Assertions.assertEquals(jacksonData,originalJsonData);
+}
 
-    @Test
-    public void given_HashMapData_whenUsingJackson_thenConvertToJson() throws JsonProcessingException {
-        Map<String, String> data = new HashMap();
-        data.put("CS", "Post1");
-        data.put("Linux", "Post1");
-        data.put("Kotlin", "Post1");
-        ObjectMapper objectMapper = new ObjectMapper();
-        String jacksonData = objectMapper.writeValueAsString(data);
-        Assertions.assertTrue(isValid(jacksonData));
-    }
+@Test
+public void given_HashMapData_whenUsingGson_thenConvertToJson() {
+    Map<String, String> data = new HashMap<>();
+    data.put("CS", "Post1");
+    data.put("Linux", "Post1");
+    data.put("Kotlin", "Post1");
+    Gson gson = new Gson();
+    Type typeObject = new TypeToken<HashMap>() {
+    }.getType();
+    String gsonData = gson.toJson(data, typeObject);
+    Assertions.assertEquals(gsonData,originalJsonData);
+}
 
-    @Test
-    public void given_HashMapData_whenUsingGson_thenConvertToJson() {
-        Map<String, String> data = new HashMap<>();
-        data.put("CS", "Post1");
-        data.put("Linux", "Post1");
-        data.put("Kotlin", "Post1");
-        Gson gson = new Gson();
-        Type typeObject = new TypeToken<HashMap>() {
-        }.getType();
-        String gsonData = gson.toJson(data, typeObject);
-        Assertions.assertTrue(isValid(gsonData));
-    }
-
-    @Test
-    public void given_HashMapData_whenOrgJson_thenConvertToJsonUsing() {
-        Map<String, String> data = new HashMap<>();
-        data.put("CS", "Post1");
-        data.put("Linux", "Post1");
-        data.put("Kotlin", "Post1");
-        JSONObject jsonObject = new JSONObject(data);
-        String orgJsonData = jsonObject.toString();
-        Assertions.assertTrue(isValid(orgJsonData));
-    }
+@Test
+public void given_HashMapData_whenOrgJson_thenConvertToJsonUsing() {
+    Map<String, String> data = new HashMap<>();
+    data.put("CS", "Post1");
+    data.put("Linux", "Post1");
+    data.put("Kotlin", "Post1");
+    JSONObject jsonObject = new JSONObject(data);
+    String orgJsonData = jsonObject.toString();
+    Assertions.assertEquals(orgJsonData,originalJsonData);
+}
 }
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