diff --git a/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/BaseParquetReaderTest.java b/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/BaseParquetReaderTest.java
index 25fc2e23554f..0658661fb763 100644
--- a/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/BaseParquetReaderTest.java
+++ b/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/BaseParquetReaderTest.java
@@ -39,6 +39,7 @@
 class BaseParquetReaderTest extends InitializedNullHandlingTest
 {
   ObjectWriter DEFAULT_JSON_WRITER = new ObjectMapper().writerWithDefaultPrettyPrinter();
+  protected final ObjectMapper objectMapper = new ObjectMapper();
 
   InputEntityReader createReader(String parquetFile, InputRowSchema schema, JSONPathSpec flattenSpec)
   {
diff --git a/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/CompatParquetReaderTest.java b/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/CompatParquetReaderTest.java
index f94949d6bd21..9f7d368e8996 100644
--- a/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/CompatParquetReaderTest.java
+++ b/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/CompatParquetReaderTest.java
@@ -94,15 +94,15 @@ public void testBinaryAsString() throws IOException
                                 + "  \"field\" : \"hey this is &é(-è_çà)=^$ù*! Ω^^\",\n"
                                 + "  \"ts\" : 1471800234\n"
                                 + "}";
-    Assert.assertEquals(expectedJson, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(expectedJson), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
 
     final String expectedJsonBinary = "{\n"
                                 + "  \"field\" : \"aGV5IHRoaXMgaXMgJsOpKC3DqF/Dp8OgKT1eJMO5KiEgzqleXg==\",\n"
                                 + "  \"ts\" : 1471800234\n"
                                 + "}";
     Assert.assertEquals(
-        expectedJsonBinary,
-        DEFAULT_JSON_WRITER.writeValueAsString(sampledAsBinary.get(0).getRawValues())
+      objectMapper.readTree(expectedJsonBinary),
+      objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampledAsBinary.get(0).getRawValues()))
     );
   }
 
@@ -305,7 +305,7 @@ required group nestedIntsColumn (LIST) {
                                 + "    } ]\n"
                                 + "  }\n"
                                 + "}";
-    Assert.assertEquals(expectedJson, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(expectedJson), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
   @Test
@@ -385,7 +385,7 @@ public void testReadNestedArrayStruct() throws IOException
                                 + "    \"repeatedMessage\" : [ 3 ]\n"
                                 + "  } ]\n"
                                 + "}";
-    Assert.assertEquals(expectedJson, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(expectedJson), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
   @Test
@@ -435,6 +435,6 @@ public void testProtoStructWithArray() throws IOException
                                 + "    \"someId\" : 9\n"
                                 + "  }\n"
                                 + "}";
-    Assert.assertEquals(expectedJson, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(expectedJson), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 }
diff --git a/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/FlattenSpecParquetReaderTest.java b/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/FlattenSpecParquetReaderTest.java
index 726ecde4adf3..325d3431fe00 100644
--- a/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/FlattenSpecParquetReaderTest.java
+++ b/extensions-core/parquet-extensions/src/test/java/org/apache/druid/data/input/parquet/FlattenSpecParquetReaderTest.java
@@ -93,7 +93,7 @@ public void testFlat1NoFlattenSpec() throws IOException
         flattenSpec
     );
     List<InputRowListPlusRawValues> sampled = sampleAllRows(reader);
-    Assert.assertEquals(FLAT_JSON, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(FLAT_JSON), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
   @Test
@@ -126,7 +126,7 @@ public void testFlat1Autodiscover() throws IOException
         JSONPathSpec.DEFAULT
     );
     List<InputRowListPlusRawValues> sampled = sampleAllRows(reader);
-    Assert.assertEquals(FLAT_JSON, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(FLAT_JSON), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
   @Test
@@ -167,7 +167,7 @@ public void testFlat1Flatten() throws IOException
         flattenSpec
     );
     List<InputRowListPlusRawValues> sampled = sampleAllRows(reader);
-    Assert.assertEquals(FLAT_JSON, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(FLAT_JSON), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
   @Test
@@ -204,9 +204,9 @@ public void testFlat1FlattenSelectListItem() throws IOException
         schema,
         flattenSpec
     );
-    List<InputRowListPlusRawValues> sampled = sampleAllRows(reader);
 
-    Assert.assertEquals(FLAT_JSON, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    List<InputRowListPlusRawValues> sampled = sampleAllRows(reader);
+    Assert.assertEquals(objectMapper.readTree(FLAT_JSON), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
 
@@ -243,7 +243,7 @@ public void testNested1NoFlattenSpec() throws IOException
         flattenSpec
     );
     List<InputRowListPlusRawValues> sampled = sampleAllRows(reader);
-    Assert.assertEquals(NESTED_JSON, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(NESTED_JSON), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
   @Test
@@ -276,7 +276,7 @@ public void testNested1Autodiscover() throws IOException
         JSONPathSpec.DEFAULT
     );
     List<InputRowListPlusRawValues> sampled = sampleAllRows(reader);
-    Assert.assertEquals(NESTED_JSON, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(NESTED_JSON), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
   @Test
@@ -319,7 +319,7 @@ public void testNested1Flatten() throws IOException
         flattenSpec
     );
     List<InputRowListPlusRawValues> sampled = sampleAllRows(reader);
-    Assert.assertEquals(NESTED_JSON, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(NESTED_JSON), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
   @Test
@@ -360,7 +360,7 @@ public void testNested1FlattenSelectListItem() throws IOException
         flattenSpec
     );
     List<InputRowListPlusRawValues> sampled = sampleAllRows(reader);
-    Assert.assertEquals(NESTED_JSON, DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues()));
+    Assert.assertEquals(objectMapper.readTree(NESTED_JSON), objectMapper.readTree(DEFAULT_JSON_WRITER.writeValueAsString(sampled.get(0).getRawValues())));
   }
 
   @Test