fix: fix to CI runner where the referenced required app isn't availab…

…le in the environment.

.github/workflows/ci.yml

@@ -1,4 +1,3 @@
-
 name: CI
 
 on:
@@ -42,7 +41,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: "3.10"
 
       - name: Setup Node
         uses: actions/setup-node@v3
@@ -81,6 +80,11 @@ jobs:
           mariadb --host 127.0.0.1 --port 3306 -u root -proot -e "SET GLOBAL character_set_server = 'utf8mb4'"
           mariadb --host 127.0.0.1 --port 3306 -u root -proot -e "SET GLOBAL collation_server = 'utf8mb4_unicode_ci'"
 
+      - name: Get ERPNext
+        working-directory: /home/runner/frappe-bench
+        run: |
+          bench get-app --branch version-15 erpnext $GITHUB_WORKSPACE
+
       - name: Install
         working-directory: /home/runner/frappe-bench
         run: |
@@ -90,7 +94,7 @@ jobs:
           bench --site test_site install-app kenya_compliance
           bench build
         env:
-          CI: 'Yes'
+          CI: "Yes"
 
       - name: Run Tests
         working-directory: /home/runner/frappe-bench