diff --git a/src/ondisk/sstable.rs b/src/ondisk/sstable.rs
index 0a54e9fc..f799bc47 100644
--- a/src/ondisk/sstable.rs
+++ b/src/ondisk/sstable.rs
@@ -144,7 +144,7 @@ pub(crate) mod tests {
         executor::tokio::TokioExecutor,
         fs::FileProvider,
         record::Record,
-        tests::{get_test_record_batch, Test},
+        tests::{get_test_record_batch, Test, TestRef},
         timestamp::Timestamped,
         DbOption,
     };
@@ -175,13 +175,20 @@ pub(crate) mod tests {
 
         let key = Timestamped::new("hello".to_owned(), 1.into());
 
-        dbg!(open_sstable::<Test, TokioExecutor>(&table_path)
-            .await
-            .get(key.borrow(), ProjectionMask::all())
-            .await
-            .unwrap()
-            .unwrap()
-            .get());
+        assert_eq!(
+            open_sstable::<Test, TokioExecutor>(&table_path)
+                .await
+                .get(key.borrow(), ProjectionMask::all())
+                .await
+                .unwrap()
+                .unwrap()
+                .get(),
+            Some(TestRef {
+                vstring: "hello",
+                vu32: Some(12),
+                vbool: Some(true),
+            })
+        );
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
diff --git a/src/stream/merge.rs b/src/stream/merge.rs
index 85b7f6e8..c861635c 100644
--- a/src/stream/merge.rs
+++ b/src/stream/merge.rs
@@ -139,7 +139,7 @@ mod tests {
 
     use super::MergeStream;
     use crate::{
-        executor::tokio::TokioExecutor, fs::FileProvider, inmem::mutable::Mutable,
+        executor::tokio::TokioExecutor, fs::FileProvider, inmem::mutable::Mutable, stream::Entry,
         wal::log::LogType, DbOption,
     };
 
@@ -195,12 +195,42 @@ mod tests {
         .await
         .unwrap();
 
-        dbg!(merge.next().await);
-        dbg!(merge.next().await);
-        dbg!(merge.next().await);
-        dbg!(merge.next().await);
-        dbg!(merge.next().await);
-        dbg!(merge.next().await);
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "a");
+            assert_eq!(entry.key().ts, 1.into());
+            assert_eq!(entry.value().as_deref(), Some("a"));
+        } else {
+            unreachable!()
+        }
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "b");
+            assert_eq!(entry.key().ts, 3.into());
+            assert!(entry.value().is_none());
+        } else {
+            unreachable!()
+        }
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "c");
+            assert_eq!(entry.key().ts, 4.into());
+            assert_eq!(entry.value().as_deref(), Some("c"));
+        } else {
+            unreachable!()
+        }
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "d");
+            assert_eq!(entry.key().ts, 5.into());
+            assert_eq!(entry.value().as_deref(), Some("d"));
+        } else {
+            unreachable!()
+        }
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "e");
+            assert_eq!(entry.key().ts, 4.into());
+            assert_eq!(entry.value().as_deref(), Some("e"));
+        } else {
+            unreachable!()
+        }
+        assert!(merge.next().await.is_none());
     }
 
     #[tokio::test]
@@ -238,9 +268,25 @@ mod tests {
                 .await
                 .unwrap();
 
-        dbg!(merge.next().await);
-        dbg!(merge.next().await);
-        dbg!(merge.next().await);
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "1");
+            assert_eq!(entry.key().ts, 0.into());
+            assert_eq!(entry.value().as_deref(), Some("1"));
+        };
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "2");
+            assert_eq!(entry.key().ts, 1.into());
+            assert_eq!(entry.value().as_deref(), Some("2"));
+        } else {
+            unreachable!()
+        }
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "3");
+            assert_eq!(entry.key().ts, 1.into());
+            assert_eq!(entry.value().as_deref(), Some("3"));
+        } else {
+            unreachable!()
+        }
 
         let lower = "1".to_string();
         let upper = "4".to_string();
@@ -250,8 +296,26 @@ mod tests {
                 .await
                 .unwrap();
 
-        dbg!(merge.next().await);
-        dbg!(merge.next().await);
-        dbg!(merge.next().await);
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "1");
+            assert_eq!(entry.key().ts, 0.into());
+            assert_eq!(entry.value().as_deref(), Some("1"));
+        } else {
+            unreachable!()
+        }
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "2");
+            assert_eq!(entry.key().ts, 1.into());
+            assert_eq!(entry.value().as_deref(), Some("2"));
+        } else {
+            unreachable!()
+        }
+        if let Some(Ok(Entry::Mutable(entry))) = merge.next().await {
+            assert_eq!(entry.key().value, "3");
+            assert_eq!(entry.key().ts, 1.into());
+            assert_eq!(entry.value().as_deref(), Some("3"));
+        } else {
+            unreachable!()
+        };
     }
 }
diff --git a/src/stream/package.rs b/src/stream/package.rs
index 2f413a92..eed93ed7 100644
--- a/src/stream/package.rs
+++ b/src/stream/package.rs
@@ -82,8 +82,9 @@ where
 
 #[cfg(test)]
 mod tests {
-    use std::collections::Bound;
+    use std::{collections::Bound, sync::Arc};
 
+    use arrow::array::{BooleanArray, RecordBatch, StringArray, UInt32Array};
     use futures_util::StreamExt;
     use tempfile::TempDir;
 
@@ -94,6 +95,7 @@ mod tests {
             immutable::{tests::TestImmutableArrays, ArrowArrays},
             mutable::Mutable,
         },
+        record::Record,
         stream::{merge::MergeStream, package::PackageStream},
         tests::Test,
         wal::log::LogType,
@@ -188,9 +190,24 @@ mod tests {
             batch_size: 8192,
             inner: merge,
             builder: TestImmutableArrays::builder(8192),
-            projection_indices: Some(projection_indices),
+            projection_indices: Some(projection_indices.clone()),
         };
 
-        dbg!(package.next().await);
+        let arrays = package.next().await.unwrap().unwrap();
+        assert_eq!(
+            arrays.as_record_batch(),
+            &RecordBatch::try_new(
+                Arc::new(Test::arrow_schema().project(&projection_indices).unwrap(),),
+                vec![
+                    Arc::new(BooleanArray::from(vec![
+                        false, false, false, false, false, false
+                    ])),
+                    Arc::new(UInt32Array::from(vec![0, 1, 2, 3, 4, 5])),
+                    Arc::new(StringArray::from(vec!["a", "b", "c", "d", "e", "f"])),
+                    Arc::new(UInt32Array::from(vec![0, 1, 2, 3, 4, 5])),
+                ],
+            )
+            .unwrap()
+        )
     }
 }
diff --git a/src/transaction.rs b/src/transaction.rs
index c2c227ea..e0a36951 100644
--- a/src/transaction.rs
+++ b/src/transaction.rs
@@ -248,7 +248,7 @@ mod tests {
             txn1.insert("foo".to_string());
 
             let txn2 = db.transaction().await;
-            dbg!(txn2
+            assert!(txn2
                 .get(&"foo".to_string(), Projection::All)
                 .await
                 .unwrap()
@@ -260,11 +260,11 @@ mod tests {
 
         {
             let txn3 = db.transaction().await;
-            dbg!(txn3
+            assert!(txn3
                 .get(&"foo".to_string(), Projection::All)
                 .await
                 .unwrap()
-                .is_none());
+                .is_some());
             txn3.commit().await.unwrap();
         }
     }