test: improve caching in workflows

I learned a lot about github caching while working on buildcache-action,
implementing better caching key usage here to implement the knowledge...

Author: mikehardy

.github/workflows/linting.yml

@@ -32,8 +32,7 @@ jobs:
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          restore-keys: ${{ runner.os }}-yarn
       - name: Yarn Install
         uses: nick-invision/retry@v2
         with:
@@ -81,8 +80,7 @@ jobs:
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          restore-keys: ${{ runner.os }}-yarn
       - name: Yarn Install
         uses: nick-invision/retry@v2
         with:
@@ -116,8 +114,7 @@ jobs:
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}-with-website
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          restore-keys: ${{ runner.os }}-yarn
       - name: Yarn Install
         uses: nick-invision/retry@v2
         with:

.github/workflows/tests_e2e_android.yml

@@ -52,7 +52,8 @@ jobs:
         uses: actions/cache@v2
         with:
           path: ~/.cache/firebase/emulators
-          key: firebase-emulators-v1
+          key: firebase-emulators-${{ github.run_id }}-v1
+          restore-key: firebase-emulators
 
       - name: Start Firestore Emulator
         run: yarn tests:emulator:start-ci
@@ -67,12 +68,14 @@ jobs:
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}-v1
+          restore-keys: ${{ runner.os }}-yarn
 
       - uses: actions/cache@v2
         name: Gradle Cache
         with:
           path: ~/.gradle/caches
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}-v1
+          restore-keys: ${{ runner.os }}-gradle
 
       - name: Yarn Install
         uses: nick-invision/retry@v2

.github/workflows/tests_e2e_ios.yml

@@ -36,6 +36,12 @@ jobs:
         with:
           fetch-depth: 50
 
+      - uses: mikehardy/buildcache-action@v1
+        name: Buildcache
+        with:
+          cache_key: ${{ runner.os }}-v1
+          upload_buildcache_log: true
+
       - uses: actions/setup-node@v2
         with:
           node-version: 14
@@ -75,15 +81,15 @@ jobs:
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}-v1
-          restore-keys: ${{ runner.os }}-yarn-
+          restore-keys: ${{ runner.os }}-yarn
 
       - uses: actions/cache@v2
         name: Cache Pods
         id: pods-cache
         with:
           path: tests/ios/Pods
           key: ${{ runner.os }}-pods-${{ hashFiles('**/Podfile.lock') }}-v1
-          restore-keys: ${{ runner.os }}-pods-
+          restore-keys: ${{ runner.os }}-pods
 
       - uses: actions/cache@v2
         name: Detox Framework Cache
@@ -116,11 +122,6 @@ jobs:
           max_attempts: 3
           command: yarn tests:ios:pod:install
 
-      - uses: mikehardy/buildcache-action@v1
-        name: Buildcache
-        with:
-          key: ${{ runner.os }}-v1
-
       - name: Build iOS App
         run: |
           export SKIP_BUNDLING=1

.github/workflows/tests_jest.yml

@@ -44,8 +44,7 @@ jobs:
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/package.json') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          restore-keys: ${{ runner.os }}-yarn
       - name: Yarn Install
         uses: nick-invision/retry@v2
         with: