Adapt existing test instead

Author: schlessera

features/plugin-activate.feature

@@ -117,7 +117,7 @@ Feature: Activate WordPress plugins
        */
        """
     And I run `wp plugin deactivate --all`
-    And I run `php -r 'echo PHP_VERSION;'`
+    And I run `wp cli info | grep "PHP version" | awk '{print $3}'`
     And save STDOUT as {PHP_VERSION}
 
     When I try `wp plugin activate high-requirements`
@@ -129,6 +129,10 @@ Feature: Activate WordPress plugins
       """
       1 out of 1
       """
+    And STDOUT should not contain:
+      """
+      Success:
+      """
 
   Scenario: Adding --exclude with plugin activate --all should exclude the plugins specified via --exclude
     When I try `wp plugin activate --all --exclude=hello`
@@ -148,27 +152,3 @@ Feature: Activate WordPress plugins
       Success:
       """
     And the return code should be 0
-
-  @require-wp-5.1
-  Scenario: Incompatible plugins cannot be activated
-    Given a WP installation
-    And a wp-content/plugins/incompatible-plugin.php file:
-      """
-      <?php
-      /**
-       * Plugin Name: Incompatible Plugin
-       * Requires PHP: 42.0
-       */
-      """
-    And I run `wp cli info | grep "PHP version" | awk '{print $3}'`
-    And save STDOUT as {PHP_VERSION}
-
-    When I try `wp plugin activate incompatible-plugin`
-    Then STDERR should contain:
-      """
-      Failed to activate plugin. Current PHP version ({PHP_VERSION}) does not meet minimum requirements for Incompatible Plugin. The plugin requires PHP 42.0.
-      """
-    And STDOUT should not contain:
-      """
-      Success:
-      """