Split integration tests out from Makefile. (#17976)

test/integration/targets/connection_posix/test.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set -eux
+
+# Connection tests for POSIX platforms use this script by linking to it from the appropriate 'connection_' target dir.
+# The name of the inventory group to test is extracted from the directory name following the 'connection_' prefix.
+
+group=$(python -c \
+    "from os import path; print(path.basename(path.abspath(path.dirname('$0'))).replace('connection_', ''))")
+
+cd ../connection
+
+INVENTORY="../connection_${group}/test_connection.inventory" ./test.sh \
+    -e hosts="${group}" \
+    -e action_prefix= \
+    -e local_tmp=/tmp/ansible-local \
+    -e remote_tmp=/tmp/ansible-remote \
+    "$@"