npm: replace test with required_if (#6848)

* npm: replace test with required_if

* add changelog frag

tests/integration/targets/npm/tasks/test.yml

@@ -12,10 +12,10 @@
     # sample: node-v8.2.0-linux-x64.tar.xz
     node_path: '{{ remote_dir }}/{{ nodejs_path }}/bin'
     package: 'iconv-lite'
+  environment:
+    PATH: '{{ node_path }}:{{ ansible_env.PATH }}'
   block:
     - shell: npm --version
-      environment:
-        PATH: '{{ node_path }}:{{ ansible_env.PATH }}'
       register: npm_version
 
     - debug:
@@ -24,11 +24,8 @@
     - name: 'Install simple package without dependency'
       npm:
         path: '{{ remote_dir }}'
-        executable: '{{ node_path }}/npm'
         state: present
         name: '{{ package }}'
-      environment:
-        PATH: '{{ node_path }}:{{ ansible_env.PATH }}'
       register: npm_install
 
     - assert:
@@ -39,11 +36,8 @@
     - name: 'Reinstall simple package without dependency'
       npm:
         path: '{{ remote_dir }}'
-        executable: '{{ node_path }}/npm'
         state: present
         name: '{{ package }}'
-      environment:
-        PATH: '{{ node_path }}:{{ ansible_env.PATH }}'
       register: npm_reinstall
 
     - name: Check there is no change
@@ -60,11 +54,8 @@
     - name: 'reinstall simple package'
       npm:
         path: '{{ remote_dir }}'
-        executable: '{{ node_path }}/npm'
         state: present
         name: '{{ package }}'
-      environment:
-        PATH: '{{ node_path }}:{{ ansible_env.PATH }}'
       register: npm_fix_install
 
     - name: Check result is changed and successful