fix(gatsby-source-wordpress): fix integration tests (#35399)

* no need to hide this password - it's only used in docker and it's hardcoded in docker-compose.yml

* add new seed data with all plugins already activated

* change test assertions and snapshot

integration-tests/gatsby-source-wordpress/__tests__/__snapshots__/index.js.snap

@@ -18,10 +18,6 @@ Array [
     "id": "cG9zdDo3NzUy",
     "mediaItemUrl": "http://localhost:8001/wp-content/uploads/2020/08/1003-1181x1772-1.jpg",
   },
-  Object {
-    "id": "cG9zdDo3NzYw",
-    "mediaItemUrl": "http://localhost:8001/wp-content/uploads/2020/08/10-2500x1667-1.jpg",
-  },
   Object {
     "id": "cG9zdDo5Ng==",
     "mediaItemUrl": "http://localhost:8001/wp-content/uploads/2018/10/brandon-siu-608784-unsplash-scaled.jpg",

integration-tests/gatsby-source-wordpress/test-fns/data-resolution.js

@@ -32,7 +32,7 @@ describe(`data resolution`, () => {
 
     expect(data[`allWpMediaItem`].nodes).toBeTruthy()
     expect(data[`allWpMediaItem`].nodes).toMatchSnapshot()
-    expect(data[`allWpMediaItem`].totalCount).toBe(17)
+    expect(data[`allWpMediaItem`].totalCount).toBe(16)
 
     expect(data[`allWpTag`].totalCount).toBe(5)
     expect(data[`allWpUser`].totalCount).toBe(1)
@@ -89,7 +89,7 @@ describe(`data resolution`, () => {
     expect(gatsbyResult.data.allWpContentNode.nodes.length).toBe(
       // we add a media item node before running our warm cache build.
       // so 30 before 31 after
-      isWarmCache ? 31 : 30
+      isWarmCache ? 30 : 29
     )
   })
 

packages/gatsby-source-wordpress/docs/tests.md

@@ -13,5 +13,5 @@ If you start up docker by running `npm run docker-clean-start` at `[gatsby-monor
 Alternatively, you can install the MySQL client cli for your particular OS/distribution and use the following command to create a dump in a file named `backup.sql` in your current working directory:
 
 ```bash
-mysqldump --user=wordpress --password=<redacted-password> --port=3306 --host=127.0.0.1 --no-tablespaces --databases wordpress > backup.sql
+mysqldump --user=wordpress --password=gtsb-wp-dckr-user --port=3306 --host=127.0.0.1 --no-tablespaces --databases wordpress > backup.sql
 ```