Make sure that iteration_count=1000 is not used with algorithm=argon* (which is SLOW and takes around 10 minutes). (#546)

tests/integration/targets/luks_device/tasks/tests/options.yml

@@ -10,6 +10,7 @@
     keyfile: "{{ remote_tmp_dir }}/keyfile1"
     keysize: 256
     pbkdf:
+      algorithm: pbkdf2
       iteration_count: 1000
   become: yes
   register: create_with_keysize
@@ -20,6 +21,7 @@
     keyfile: "{{ remote_tmp_dir }}/keyfile1"
     keysize: 256
     pbkdf:
+      algorithm: pbkdf2
       iteration_count: 1000
   become: yes
   register: create_idem_with_keysize
@@ -30,6 +32,7 @@
     keyfile: "{{ remote_tmp_dir }}/keyfile1"
     keysize: 512
     pbkdf:
+      algorithm: pbkdf2
       iteration_count: 1000
   become: yes
   register: create_idem_with_diff_keysize
@@ -40,6 +43,7 @@
     keyfile: "{{ remote_tmp_dir }}/keyfile1"
     passphrase: "{{ cryptfile_passphrase1 }}"
     pbkdf:
+      algorithm: pbkdf2
       iteration_count: 1000
   ignore_errors: yes
   become: yes