fix: add title casing for phaseTag (#1324)

* fix: add title casing for phaseTag

* update unit test to check for title case phase tags

Author: jenbutongit

runner/src/server/views/layout.html

@@ -135,14 +135,14 @@
         {% if feedbackLink %}
             {{ govukPhaseBanner({
                 tag: {
-                    text: phaseTag
+                    text: phaseTag | title
                 },
                 html: 'This is a new service – your <a class="govuk-link" href=' + feedbackLink + '>feedback</a> will help us to improve it.'
             }) }}
         {% else %}
             {{ govukPhaseBanner({
                 tag: {
-                    text: phaseTag
+                    text: phaseTag | title
                 }
             }) }}
         {% endif %}

runner/test/cases/server/phase-banner.test.js

@@ -32,7 +32,7 @@ suite(`Phase banner`, () => {
     const $ = cheerio.load(response.payload);
 
     expect($(".govuk-phase-banner__content__tag").text().trim()).to.equal(
-      "beta"
+      "Beta"
     );
   });
 
@@ -54,7 +54,7 @@ suite(`Phase banner`, () => {
     const $ = cheerio.load(response.payload);
 
     expect($(".govuk-phase-banner__content__tag").text().trim()).to.equal(
-      "alpha"
+      "Alpha"
     );
   });