diff --git a/.github/workflows/deploy-config.yml b/.github/workflows/deploy-config.yml
index 0c3604e4704..a236784f870 100644
--- a/.github/workflows/deploy-config.yml
+++ b/.github/workflows/deploy-config.yml
@@ -45,3 +45,4 @@ jobs:
       run: yarn ts-node scripts/ci-test/deploy-if-needed.ts
       env:
         FIREBASE_CLI_TOKEN: ${{secrets.FIREBASE_CLI_TOKEN}}
+        PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 0857860571f..fa1d9a03016 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -16,6 +16,8 @@ name: E2E Smoke Tests
 
 # Allows REST trigger. Currently triggered by release-cli script during a staging run.
 on:
+  #FIXME
+  pull_request:
   repository_dispatch:
     types: [staging-tests,canary-tests]
 
diff --git a/.github/workflows/test-all.yml b/.github/workflows/test-all.yml
index dd74d2437e4..5425be679f8 100644
--- a/.github/workflows/test-all.yml
+++ b/.github/workflows/test-all.yml
@@ -28,6 +28,7 @@ env:
   artifactRetentionDays: 14
   # Bump Node memory limit
   NODE_OPTIONS: "--max_old_space_size=4096"
+  PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
 
 jobs:
   build:
@@ -46,7 +47,7 @@ jobs:
         node-version: 22.10.0
     - name: Test setup and yarn install
       run: |
-        cp config/ci.config.json config/project.json
+        echo $PROJECT_CONFIG > config/project.json
         yarn
     - name: yarn build
       run: yarn build
@@ -85,7 +86,7 @@ jobs:
         node-version: 22.10.0
     - name: Test setup and yarn install
       run: |
-        cp config/ci.config.json config/project.json
+        echo $PROJECT_CONFIG > config/project.json
         yarn
     - name: Set start timestamp env var
       run: echo "FIREBASE_CI_TEST_START_TIME=$(date +%s)" >> $GITHUB_ENV
@@ -132,7 +133,7 @@ jobs:
         node-version: 22.10.0
     - name: Test setup and yarn install
       run: |
-        cp config/ci.config.json config/project.json
+        echo $PROJECT_CONFIG > config/project.json
         yarn
     - name: Set start timestamp env var
       run: echo "FIREBASE_CI_TEST_START_TIME=$(date +%s)" >> $GITHUB_ENV
@@ -172,7 +173,7 @@ jobs:
         node-version: 22.10.0
     - name: Test setup and yarn install
       run: |
-        cp config/ci.config.json config/project.json
+        echo $PROJECT_CONFIG > config/project.json
         yarn
     - name: Set start timestamp env var
       run: echo "FIREBASE_CI_TEST_START_TIME=$(date +%s)" >> $GITHUB_ENV
@@ -213,7 +214,7 @@ jobs:
       uses: actions/setup-node@v4
       with:
         node-version: 22.10.0
-    - run: cp config/ci.config.json config/project.json
+    - run: echo $PROJECT_CONFIG > config/project.json
     - run: yarn
     - run: yarn build:${{ matrix.persistence }}
       working-directory: integration/firestore
diff --git a/.github/workflows/test-changed-auth.yml b/.github/workflows/test-changed-auth.yml
index b72c7cd9e2d..2063d860f86 100644
--- a/.github/workflows/test-changed-auth.yml
+++ b/.github/workflows/test-changed-auth.yml
@@ -61,8 +61,10 @@ jobs:
         with:
           node-version: 22.10.0
       - name: Test setup and yarn install
+        env:
+          PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
         run: |
-          cp config/ci.config.json config/project.json
+          echo $PROJECT_CONFIG > config/project.json
           yarn
       - name: build
         run: yarn build:changed auth
@@ -86,8 +88,10 @@ jobs:
         with:
           node-version: 22.10.0
       - name: Test setup and yarn install
+        env:
+          PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
         run: |
-          cp config/ci.config.json config/project.json
+          echo $PROJECT_CONFIG > config/project.json
           yarn
       - name: build
         run: yarn build:changed auth
@@ -110,8 +114,10 @@ jobs:
         with:
           node-version: 22.10.0
       - name: Test setup and yarn install
+        env:
+          PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
         run: |
-          cp config/ci.config.json config/project.json
+          echo $PROJECT_CONFIG > config/project.json
           yarn
           npx playwright install webkit
       - name: build
diff --git a/.github/workflows/test-changed-fcm-integration.yml b/.github/workflows/test-changed-fcm-integration.yml
index ff6023274a4..2c67a5d0c5f 100644
--- a/.github/workflows/test-changed-fcm-integration.yml
+++ b/.github/workflows/test-changed-fcm-integration.yml
@@ -43,8 +43,10 @@ jobs:
       with:
         node-version: 22.10.0
     - name: Test setup and yarn install
+      env:
+        PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
       run: |
-        cp config/ci.config.json config/project.json
+        echo $PROJECT_CONFIG > config/project.json
         yarn
     - name: build
       run: yarn build:changed fcm-integration
diff --git a/.github/workflows/test-changed-firestore-integration.yml b/.github/workflows/test-changed-firestore-integration.yml
index 6841bdd47d6..e923a6b520f 100644
--- a/.github/workflows/test-changed-firestore-integration.yml
+++ b/.github/workflows/test-changed-firestore-integration.yml
@@ -46,8 +46,10 @@ jobs:
       uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd
     - name: Terraform Init
       if: ${{ fromJSON(env.run_terraform_steps) }}
+      env:
+        PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
       run: |
-        cp config/ci.config.json config/project.json
+        echo $PROJECT_CONFIG > config/project.json
         cd packages/firestore
         terraform init
       continue-on-error: true
diff --git a/.github/workflows/test-changed-firestore.yml b/.github/workflows/test-changed-firestore.yml
index 46d36059d14..0c01e9cacfa 100644
--- a/.github/workflows/test-changed-firestore.yml
+++ b/.github/workflows/test-changed-firestore.yml
@@ -22,6 +22,7 @@ env:
   artifactRetentionDays: 14
   # Bump Node memory limit
   NODE_OPTIONS: "--max_old_space_size=4096"
+  PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
 
 jobs:
   build:
@@ -47,7 +48,7 @@ jobs:
           sudo apt-get install google-chrome-stable
       - name: Test setup and yarn install
         run: |
-          cp config/ci.config.json config/project.json
+          echo $PROJECT_CONFIG > config/project.json
           yarn
       - name: build
         id: build
@@ -99,7 +100,7 @@ jobs:
       - name: Unzip build artifact
         run: tar xf build.tar.gz
       - name: Test setup and yarn install
-        run: cp config/ci.config.json config/project.json
+        run: echo $PROJECT_CONFIG > config/project.json
       - name: Run compat tests
         run: cd packages/firestore-compat && yarn run test:ci
 
@@ -127,7 +128,7 @@ jobs:
       - name: Unzip build artifact
         run: tar xf build.tar.gz
       - name: Test setup and yarn install
-        run: cp config/ci.config.json config/project.json
+        run: echo $PROJECT_CONFIG > config/project.json
       - name: Run tests
         run: cd packages/firestore && yarn run ${{ matrix.test-name }}
         env:
@@ -186,7 +187,7 @@ jobs:
       - name: Unzip build artifact
         run: tar xf build.tar.gz
       - name: Test setup and yarn install
-        run: cp config/ci.config.json config/project.json
+        run: echo $PROJECT_CONFIG > config/project.json
       - name: Run compat tests
         run: cd packages/firestore-compat && xvfb-run yarn run test:ci
         env:
@@ -214,7 +215,7 @@ jobs:
         with:
           node-version: 22.10.0
       - name: Test setup and yarn install
-        run: cp config/ci.config.json config/project.json
+        run: echo $PROJECT_CONFIG > config/project.json
       - name: Run tests
         run: cd packages/firestore && xvfb-run yarn run ${{ matrix.test-name }}
         env:
@@ -239,7 +240,7 @@ jobs:
         run: tar xf build.tar.gz
       - name: Test setup
         run: |
-          cp config/ci.config.json config/project.json
+          echo $PROJECT_CONFIG > config/project.json
           npx playwright install webkit
       - name: Run compat tests
         run: cd packages/firestore-compat && yarn run test:ci
@@ -270,7 +271,7 @@ jobs:
           node-version: 22.10.0
       - name: Test setup
         run: |
-          cp config/ci.config.json config/project.json
+          echo $PROJECT_CONFIG > config/project.json
           npx playwright install webkit
       - name: Run tests
         run: cd packages/firestore && yarn run ${{ matrix.test-name }}
diff --git a/.github/workflows/test-changed-misc.yml b/.github/workflows/test-changed-misc.yml
index ebcb2d1d366..a79519a8041 100644
--- a/.github/workflows/test-changed-misc.yml
+++ b/.github/workflows/test-changed-misc.yml
@@ -40,8 +40,10 @@ jobs:
         sudo apt-get update
         sudo apt-get install google-chrome-stable
     - name: Test setup and yarn install
+      env:
+        PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
       run: |
-        cp config/ci.config.json config/project.json
+        echo $PROJECT_CONFIG > config/project.json
         yarn
     - name: build
       run: yarn build:changed misc
diff --git a/.github/workflows/test-changed.yml b/.github/workflows/test-changed.yml
index 948267aa9e7..775f7ba94ea 100644
--- a/.github/workflows/test-changed.yml
+++ b/.github/workflows/test-changed.yml
@@ -19,6 +19,7 @@ on: pull_request
 env:
   # Bump Node memory limit
   NODE_OPTIONS: "--max_old_space_size=4096"
+  PROJECT_CONFIG: ${{ secrets.TEST_PROJECT_CONFIG }}
 
 jobs:
   test-chrome:
@@ -41,7 +42,7 @@ jobs:
           sudo apt-get install google-chrome-stable
       - name: Test setup and yarn install
         run: |
-          cp config/ci.config.json config/project.json
+          echo $PROJECT_CONFIG > config/project.json
           yarn
       - name: build
         run: yarn build:changed core
@@ -65,7 +66,7 @@ jobs:
         run: npx @puppeteer/browsers install firefox@stable
       - name: Test setup and yarn install
         run: |
-          cp config/ci.config.json config/project.json
+          echo $PROJECT_CONFIG > config/project.json
           yarn
       - name: build
         run: yarn build:changed core
@@ -90,7 +91,7 @@ jobs:
           node-version: 22.10.0
       - name: Test setup and yarn install
         run: |
-          cp config/ci.config.json config/project.json
+          echo $PROJECT_CONFIG > config/project.json
           yarn
           npx playwright install webkit
       - name: build
diff --git a/config/karma.base.js b/config/karma.base.js
index c49b1246ed6..887783f6147 100644
--- a/config/karma.base.js
+++ b/config/karma.base.js
@@ -20,6 +20,8 @@ const path = require('path');
 const webpackTestConfig = require('./webpack.test');
 const { argv } = require('yargs');
 
+// FIXME
+
 function determineBrowsers() {
   const supportedBrowsers = ['ChromeHeadless', 'WebkitHeadless', 'Firefox'];
 
diff --git a/packages/auth/index.ts b/packages/auth/index.ts
index 95e2f453f16..24ac96570b7 100644
--- a/packages/auth/index.ts
+++ b/packages/auth/index.ts
@@ -21,6 +21,8 @@
  * limitations under the License.
  */
 
+// FIXME test
+
 // Public types
 export * from './src/model/public_types';
 
diff --git a/scripts/ci-test/deploy-if-needed.ts b/scripts/ci-test/deploy-if-needed.ts
index 854d0ca3b0c..36d4fa9adc7 100644
--- a/scripts/ci-test/deploy-if-needed.ts
+++ b/scripts/ci-test/deploy-if-needed.ts
@@ -22,7 +22,6 @@ import { exec } from 'child-process-promise';
 const firebaseTools = require('firebase-tools');
 
 const root = resolve(__dirname, '../..');
-const config = require(resolve(root, 'config/ci.config.json'));
 const git = simpleGit(root);
 
 interface DeployOptions {
@@ -32,6 +31,13 @@ interface DeployOptions {
   only?: string;
 }
 
+let config: { projectId: string };
+if (process.env.PROJECT_CONFIG) {
+  config = JSON.parse(process.env.PROJECT_CONFIG);
+  // FIXME
+  console.log(config);
+}
+
 /**
  * Changes to these files require redeployment to the project backend.
  */
diff --git a/test.json b/test.json
new file mode 100644
index 00000000000..0d1db787684
--- /dev/null
+++ b/test.json
@@ -0,0 +1 @@
+$FIREBASE_CONFIG