tests: add bats tests for testing CLI on arbitrary Boundary deployments (#614)

internal/tests/cli/boundary/_helpers.bash

@@ -0,0 +1,12 @@
+export BOUNDARY_ADDR='http://127.0.0.1:9200'
+export DEFAULT_PASSWORD='password'
+export DEFAULT_USER='admin'
+export DEFAULT_AMPW='ampw_1234567890'
+export DEFAULT_P_ID='p_1234567890'
+export DEFAULT_O_ID='o_1234567890'
+export DEFAULT_TARGET='ttcp_1234567890'
+export DEFAULT_HOST_SET='hsst_1234567890'
+
+function strip() {
+  echo "$1" | tr -d '"'
+}