Adding failing shellcheck test and results

Should be useful for showing others why other changes were made in the next commit.

test/test_shellcheck.py

@@ -0,0 +1,13 @@
+import pytest
+import testinfra
+
+run_local = testinfra.get_backend(
+    "local://"
+).get_module("Command").run
+
+def test_scripts_pass_shellcheck():
+    ''' Make sure shellcheck does not find anything wrong with our shell scripts '''
+    shellcheck = "find . -name 'basic-install.sh' | while read file; do shellcheck \"$file\"; done;"
+    results = run_local(shellcheck)
+    print results.stdout
+    assert '' == results.stdout