diff --git a/tests/end-to-end-tests/basic_deployment_test.go b/tests/end-to-end-tests/basic_deployment_test.go
index 4bffffd..6cab76f 100644
--- a/tests/end-to-end-tests/basic_deployment_test.go
+++ b/tests/end-to-end-tests/basic_deployment_test.go
@@ -22,6 +22,10 @@ func TestBasicDeployment(t *testing.T) {
 	terraformStateStorageAccount := os.Getenv("TF_STATE_STORAGE_ACCOUNT")
 	terraformStateContainer := os.Getenv("TF_STATE_STORAGE_CONTAINER")
 
+	if terraformStateResourceGroup == "" || terraformStateStorageAccount == "" || terraformStateContainer == "" {
+		t.Fatalf("One or more required environment variables (TF_STATE_RESOURCE_GROUP, TF_STATE_STORAGE_ACCOUNT, TF_STATE_STORAGE_CONTAINER) are not set.")
+	}
+
 	vaultName := random.UniqueId()
 	vaultLocation := "uksouth"
 	vaultRedundancy := "LocallyRedundant"
diff --git a/tests/end-to-end-tests/full_deployment_test.go b/tests/end-to-end-tests/full_deployment_test.go
index bfa0c0b..3b5d047 100644
--- a/tests/end-to-end-tests/full_deployment_test.go
+++ b/tests/end-to-end-tests/full_deployment_test.go
@@ -26,6 +26,10 @@ func TestFullDeployment(t *testing.T) {
 	terraformStateStorageAccount := os.Getenv("TF_STATE_STORAGE_ACCOUNT")
 	terraformStateContainer := os.Getenv("TF_STATE_STORAGE_CONTAINER")
 
+	if terraformStateResourceGroup == "" || terraformStateStorageAccount == "" || terraformStateContainer == "" {
+		t.Fatalf("One or more required environment variables (TF_STATE_RESOURCE_GROUP, TF_STATE_STORAGE_ACCOUNT, TF_STATE_STORAGE_CONTAINER) are not set.")
+	}
+
 	vaultName := random.UniqueId()
 	vaultLocation := "uksouth"
 	vaultRedundancy := "LocallyRedundant"