ts: ensure shell startup is not set when running tests

Author: xdelaruelle

testsuite/modules.00-init/010-environ.exp

@@ -77,6 +77,10 @@ catch {unset env(MODULES_SEARCH_MATCH)}
 # clean any set shell startup config
 catch {unset env(MODULES_SET_SHELL_STARTUP)}
 
+# ensure shell startup is not set
+unsetenv_var ENV
+unsetenv_var BASH_ENV
+
 # clean any shells defined to get ksh fpath set
 catch {unset env(MODULES_SHELLS_WITH_KSH_FPATH)}
 catch {unset env(FPATH)}