Fix text and add feature test for copy button (#5958)

`Copied IP Address!` > `Copied output!`

Adds feature test for copy button

ui-v2/app/templates/components/healthcheck-output.hbs

@@ -6,7 +6,7 @@
     {{/block-slot}}
     {{#block-slot 'success' as |transition|}}
       <p class={{transition}}>
-        Copied IP Address!
+        Copied output!
       </p>
     {{/block-slot}}
     {{#block-slot 'error' as |transition|}}

ui-v2/tests/acceptance/components/copy-button.feature

@@ -0,0 +1,13 @@
+@setupApplicationTest
+Feature: components / copy-button
+  Background:
+    Given 1 datacenter model with the value "dc-1"
+  Scenario: Clicking the copy button
+    When I visit the node page for yaml
+    ---
+      dc: dc-1
+      node: node-0
+      ---
+    Then the url should be /dc-1/nodes/node-0
+    When I click ".healthcheck-output:nth-child(1) button.copy-btn"
+    Then I see the text "Copied output!" in ".healthcheck-output:nth-child(1) p.feedback-dialog-out"

ui-v2/tests/acceptance/steps/components/copy-button-steps.js

@@ -0,0 +1,10 @@
+import steps from '../steps';
+
+// step definitions that are shared between features should be moved to the
+// tests/acceptance/steps/steps.js file
+
+export default function(assert) {
+  return steps(assert).then('I should find a file', function() {
+    assert.ok(true, this.step);
+  });
+}