Use command= when we intended to

While here sort register variables and add a comment to signal multiline
testing.

test/integration/roles/test_command_shell/tasks/main.yml

@@ -82,7 +82,7 @@
   file: path={{output_dir_test}}/afile.txt state=absent
 
 - name: create afile.txt with create_afile.sh via command
-  shell: "{{output_dir_test | expanduser}}/create_afile.sh {{output_dir_test | expanduser}}/afile.txt creates={{output_dir_test | expanduser}}/afile.txt"
+  command: "{{output_dir_test | expanduser}}/create_afile.sh {{output_dir_test | expanduser}}/afile.txt creates={{output_dir_test | expanduser}}/afile.txt"
 
 - name: verify that afile.txt is present
   file: path={{output_dir_test}}/afile.txt state=file
@@ -90,7 +90,7 @@
 # removes
 
 - name: remove afile.txt with remote_afile.sh via command
-  shell: "{{output_dir_test | expanduser}}/remove_afile.sh {{output_dir_test | expanduser}}/afile.txt removes={{output_dir_test | expanduser}}/afile.txt"
+  command: "{{output_dir_test | expanduser}}/remove_afile.sh {{output_dir_test | expanduser}}/afile.txt removes={{output_dir_test | expanduser}}/afile.txt"
 
 - name: verify that afile.txt is absent
   file: path={{output_dir_test}}/afile.txt state=absent
@@ -161,21 +161,23 @@
 
 - name: remove afile.txt using rm
   shell: rm {{output_dir_test | expanduser}}/afile.txt removes={{output_dir_test | expanduser}}/afile.txt
-  register: shell_result4
+  register: shell_result3
 
 - name: assert that using rm under shell causes a warning
   assert:
     that:
-      - "shell_result4.warnings"
+      - "shell_result3.warnings"
 
 - name: verify that afile.txt is absent
   file: path={{output_dir_test}}/afile.txt state=absent
-  register: shell_result5
+  register: shell_result4
 
 - name: assert that the file was removed by the shell
   assert:
     that:
-      - "shell_result5.changed == False"
+      - "shell_result4.changed == False"
+
+# multiline
 
 - name: execute a shell command using a literal multiline block
   args:
@@ -189,28 +191,28 @@
     | tr -s ' ' \
     | cut -f1 -d ' '
     echo "this is a second line"
-  register: shell_result6
+  register: shell_result5
 
-- debug: var=shell_result6
+- debug: var=shell_result5
 
 - name: assert the multiline shell command ran as expected
   assert:
     that:
-      - "shell_result6.changed"
-      - "shell_result6.stdout == '5575bb6b71c9558db0b6fbbf2f19909eeb4e3b98\nthis is a second line'"
+      - "shell_result5.changed"
+      - "shell_result5.stdout == '5575bb6b71c9558db0b6fbbf2f19909eeb4e3b98\nthis is a second line'"
 
 - name: execute a shell command using a literal multiline block with arguments in it
   shell: |
     executable=/bin/bash
     creates={{output_dir_test | expanduser}}/afile.txt
     echo "test"
-  register: shell_result7
+  register: shell_result6
 
 - name: assert the multiline shell command with arguments in it run as expected
   assert:
     that:
-      - "shell_result7.changed"
-      - "shell_result7.stdout == 'test'"
+      - "shell_result6.changed"
+      - "shell_result6.stdout == 'test'"
 
 - name: remove the previously created file
   file: path={{output_dir_test}}/afile.txt state=absent