diff --git a/airbyte-db/lib/src/test/java/io/airbyte/db/PgLsnTest.java b/airbyte-db/lib/src/test/java/io/airbyte/db/PgLsnTest.java
index d0f80c7ddab13..3ff39239c20bc 100644
--- a/airbyte-db/lib/src/test/java/io/airbyte/db/PgLsnTest.java
+++ b/airbyte-db/lib/src/test/java/io/airbyte/db/PgLsnTest.java
@@ -21,6 +21,16 @@ class PgLsnTest {
       .put("0/0", 0L)
       .build();
 
+  // Example Map used to run test case.
+  private static final Map<String, Long> EXPECTED_TEST_LSNS = ImmutableMap.<String, Long>builder()
+      .put("PgLsn{lsn=22968848}", 22968848L)
+      .put("PgLsn{lsn=22969096}", 22969096L)
+      .put("PgLsn{lsn=94512249608}", 94512249608L)
+      .put("PgLsn{lsn=98784247807}", 98784247807L)
+      .put("PgLsn{lsn=9223372036854775807}", Long.MAX_VALUE)
+      .put("PgLsn{lsn=0}", 0L)
+      .build();
+
   @Test
   void testLsnToLong() {
     TEST_LSNS.forEach(
@@ -33,4 +43,11 @@ void testLongToLsn() {
         (key, value) -> assertEquals(key, PgLsn.longToLsn(value), String.format("Conversion failed. lsn: %s long value: %s", key, value)));
   }
 
+  // Added Test Case to test .toString() method in PgLsn.java
+  @Test
+  void testLsnToString() {
+    EXPECTED_TEST_LSNS.forEach(
+        (key, value) -> assertEquals(key, PgLsn.fromLong(value).toString(), String.format("Conversion failed. string: %s lsn: %s", key, value)));
+  }
+
 }