diff --git a/ec2/main.tf b/ec2/main.tf
index a1f3bb5..513f26b 100644
--- a/ec2/main.tf
+++ b/ec2/main.tf
@@ -1,5 +1,5 @@
 resource "aws_instance" "server" {
-  ami             = "ami-066784287e358dad1"
+  ami             = "ami-06b21ccaeff8cd686"
   instance_type   = "t2.micro"
   subnet_id       = var.subnet
   security_groups = [var.security_group]
diff --git a/tests/freeEC2.tftest.hcl b/tests/freeEC2.tftest.hcl
index ba39a0a..314e9e3 100644
--- a/tests/freeEC2.tftest.hcl
+++ b/tests/freeEC2.tftest.hcl
@@ -1,20 +1,22 @@
 variables {
-  ami           = "ami-066784287e358dad1"
+  ami_amazon_linux_2023 = "ami-06b21ccaeff8cd686"
+  ami_amazon_linux_hvm  = "ami-0ddc798b3f1a5117e"
+  //more ami
   instance_type = "t2.micro"
-  //more
+  //more instace type
 }
 
 run "ec2_tests" {
   command = plan
 
   assert {
-    condition     = module.ec2.ami == var.ami
-    error_message = "Invalid AMI type!"
+    condition     = module.ec2.ami == var.ami_amazon_linux_2023 || module.ec2.ami == var.ami_amazon_linux_hvm
+    error_message = "Invalid or not a free AMI type!"
   }
 
   assert {
     condition     = module.ec2.instance_type == var.instance_type
-    error_message = "Invalid instance type!"
+    error_message = "Invalid or not a free instance type!"
   }
 }
 
diff --git a/tests/vpc.tftest.hcl b/tests/vpc.tftest.hcl
new file mode 100644
index 0000000..64b55f7
--- /dev/null
+++ b/tests/vpc.tftest.hcl
@@ -0,0 +1,16 @@
+variables {
+  enable_dns_hostnames = true
+  enable_dns_support   = true
+  //more
+}
+
+run "vpc_tests" {
+  command = plan
+
+  assert {
+    condition     = module.vpc.enable_dns_hostnames == var.enable_dns_hostnames && module.vpc.enable_dns_support == var.enable_dns_support
+    error_message = "Must enable DNS!"
+  }
+
+}
+
diff --git a/vpc/outputs.tf b/vpc/outputs.tf
index b922121..d23377b 100644
--- a/vpc/outputs.tf
+++ b/vpc/outputs.tf
@@ -5,3 +5,11 @@ output "public_subnet" {
 output "security_group" {
   value = aws_security_group.security_group.id
 }
+
+output "enable_dns_hostnames" {
+  value = aws_vpc.myvpc.enable_dns_hostnames
+}
+
+output "enable_dns_support" {
+  value = aws_vpc.myvpc.enable_dns_support
+}