updates filename and comments (#378)

.github/workflows/e2e.yml

@@ -1,8 +1,14 @@
+# Full command list of cypress github actions:
+#   https://github.com/cypress-io/github-action#cypress-iogithub-action--
+
 name: End to end tests
 on:
-  # push
+  # To run tests on the push event of a specific branch:
+  # push:
+  #   branches:
+  #     - vimusds/cypress-debug-download
   schedule:
-    # runs tests every day at 12am ET (4am UTC)
+    # runs tests every day at 12am ET (4am UTC):
     - cron: '0 4 * * *'
 jobs: 
   nightly:
@@ -18,3 +24,5 @@ jobs:
           working-directory: ${{env.working-directory}}
           start: npm start
           wait-on: 'http://localhost:8000'
+          # To run only specific spec/tests:
+          # spec: cypress/e2e/downloadPacket.spec.js

client/cypress/e2e/downloadPacket.spec.js

@@ -2,9 +2,10 @@
 
 describe('Census Block Group download', () => {
   it('validate file download', () => {
+    const filename = `usa.zip`;
     cy.visit('localhost:8000/en/cejst');
     cy.get('#download-link').invoke('attr', 'target', '_blank');
-    cy.intercept('https://justice40-data.s3.amazonaws.com/Score/usa.zip',
+    cy.intercept(`https://justice40-data.s3.amazonaws.com/Score/${filename}`,
         {
           body: 'success',
           headers: {
@@ -15,6 +16,6 @@ describe('Census Block Group download', () => {
     ).as('downloadRequest');
     cy.get('button[class*="downloadPacket"]').click();
     cy.wait('@downloadRequest');
-    cy.readFile(`cypress/downloads/usa.csv`).should('exist');
+    cy.readFile(`cypress/downloads/${filename}`).should('exist');
   });
 });