From 095764a482afb9bfa90f619a2937c7d93112dcd4 Mon Sep 17 00:00:00 2001
From: Luke Kysow <1034429+lkysow@users.noreply.github.com>
Date: Wed, 31 Aug 2022 13:06:35 -0700
Subject: [PATCH] Suppress "unbound variable" error. (#14424)

Without this change, you'd see this error:

```
./run-tests.sh: line 49: LAMBDA_TESTS_ENABLED: unbound variable
./run-tests.sh: line 49: LAMBDA_TESTS_ENABLED: unbound variable
```
---
 test/integration/connect/envoy/run-tests.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/integration/connect/envoy/run-tests.sh b/test/integration/connect/envoy/run-tests.sh
index f0e6b165cb..1de8ed3e50 100755
--- a/test/integration/connect/envoy/run-tests.sh
+++ b/test/integration/connect/envoy/run-tests.sh
@@ -46,7 +46,8 @@ function network_snippet {
 }
 
 function aws_snippet {
-  if [[ ! -z "$LAMBDA_TESTS_ENABLED" ]]; then
+  LAMBDA_TESTS_ENABLED=${LAMBDA_TESTS_ENABLED:-false}
+  if [ "$LAMBDA_TESTS_ENABLED" != false ]; then
     local snippet=""
 
     # The Lambda integration cases assume that a Lambda function exists in $AWS_REGION with an ARN of $AWS_LAMBDA_ARN.