test: do no assume hush parser in validate_empty()
The environment variable test uses function validate_empty() to check that
a variable is not defined. If the hush parser is not enabled, we cannot
refer to a variable by $var_name but only by ${var_name}.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
diff --git a/test/py/tests/test_env.py b/test/py/tests/test_env.py
index 2ae8f25..9402796 100644
--- a/test/py/tests/test_env.py
+++ b/test/py/tests/test_env.py
@@ -151,7 +151,7 @@
Nothing.
"""
- response = state_test_env.u_boot_console.run_command('echo $%s' % var)
+ response = state_test_env.u_boot_console.run_command('echo ${%s}' % var)
assert response == ''
def validate_set(state_test_env, var, value):