diff --git a/app/client/cypress/e2e/Sanity/Datasources/Port_Number_Placeholder_Spec.ts b/app/client/cypress/e2e/Sanity/Datasources/Port_Number_Placeholder_Spec.ts
index b35de8b1e1..853f5b5a5f 100644
--- a/app/client/cypress/e2e/Sanity/Datasources/Port_Number_Placeholder_Spec.ts
+++ b/app/client/cypress/e2e/Sanity/Datasources/Port_Number_Placeholder_Spec.ts
@@ -37,5 +37,89 @@ describe("Test placeholder value for port number for all datasources - tests #24
       expectedPlaceholderValue,
     );
     dataSources.SaveDSFromDialog(false);
+
+    // MySQL
+    dataSources.NavigateToDSCreateNew();
+    dataSources.CreatePlugIn("MySQL");
+
+    expectedPlaceholderValue = "3306";
+    agHelper.AssertAttribute(
+      dataSources._port,
+      "placeholder",
+      expectedPlaceholderValue,
+    );
+    dataSources.SaveDSFromDialog(false);
+
+    // Postgres
+    dataSources.NavigateToDSCreateNew();
+    dataSources.CreatePlugIn("PostgreSQL");
+
+    expectedPlaceholderValue = "5432";
+    agHelper.AssertAttribute(
+      dataSources._port,
+      "placeholder",
+      expectedPlaceholderValue,
+    );
+    dataSources.SaveDSFromDialog(false);
+
+    // MongoDB
+    dataSources.NavigateToDSCreateNew();
+    dataSources.CreatePlugIn("MongoDB");
+
+    expectedPlaceholderValue = "27017";
+    agHelper.AssertAttribute(
+      dataSources._port,
+      "placeholder",
+      expectedPlaceholderValue,
+    );
+    dataSources.SaveDSFromDialog(false);
+
+    // Elasticsearch
+    dataSources.NavigateToDSCreateNew();
+    dataSources.CreatePlugIn("Elasticsearch");
+
+    expectedPlaceholderValue = "9200";
+    agHelper.AssertAttribute(
+      dataSources._port,
+      "placeholder",
+      expectedPlaceholderValue,
+    );
+    dataSources.SaveDSFromDialog(false);
+
+    // Redis
+    dataSources.NavigateToDSCreateNew();
+    dataSources.CreatePlugIn("Redis");
+
+    expectedPlaceholderValue = "6379";
+    agHelper.AssertAttribute(
+      dataSources._port,
+      "placeholder",
+      expectedPlaceholderValue,
+    );
+    dataSources.SaveDSFromDialog(false);
+
+    // Redshift
+    dataSources.NavigateToDSCreateNew();
+    dataSources.CreatePlugIn("Redshift");
+
+    expectedPlaceholderValue = "5439";
+    agHelper.AssertAttribute(
+      dataSources._port,
+      "placeholder",
+      expectedPlaceholderValue,
+    );
+    dataSources.SaveDSFromDialog(false);
+
+    // ArangoDB
+    dataSources.NavigateToDSCreateNew();
+    dataSources.CreatePlugIn("ArangoDB");
+
+    expectedPlaceholderValue = "8529";
+    agHelper.AssertAttribute(
+      dataSources._port,
+      "placeholder",
+      expectedPlaceholderValue,
+    );
+    dataSources.SaveDSFromDialog(false);
   });
 });