(test): adds spec for editing channel profile

cypress/integration/channel/channel-profile-edit.spec.js

+
+// UX Elements
+const channelEditButton = ".m-channel--edit-button-wrapper button > span:contains('Edit')"
+const channelNameInput = ".m-channel--name--editor > input"
+const channelDescriptionTextArea = ".mdl-card__supporting-text > textarea"
+const channelSaveButton = ".m-channel--edit-button-wrapper button > span:contains('Save')"
+
+context.only('Edit Channel Profile', () => {
+  before(() => {
+    cy.getCookie('minds_sess')
+    .then((sessionCookie) => {
+      if (sessionCookie === null) {
+        return cy.login(true);
+      }
+    });
+  });
+  
+  beforeEach(()=> {
+    cy.preserveCookies();
+  });
+  
+
+  it('should be able to edit simple fields', () => {
+    
+    cy.visit(`/${Cypress.env().username}`);
+    cy.get(channelEditButton)
+      .click();
+
+    // edit channel name
+    cy.get(channelNameInput).clear().type('The Lion Tamer');
+
+    // edit channel description
+    cy.get(channelDescriptionTextArea).clear().type('A channel that tames all the lions.');
+
+    // submit changes
+    cy.get(channelSaveButton)
+    .click();
+  });
+});
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