test(e2e): Verify long-lasting scripts complete successfully on tcp targets (#4423)

testing/internal/e2e/tests/base/testdata/long_lasting_test_script.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: BUSL-1.1
+
+for i in {1..10}
+do
+  echo iteration $i
+  sleep 1;
+done
+exit 0;