test(e2e): name the caching steps and try restore keys

even if we don't have a full cache match, a fallback should be okay
in some cases

Author: mikehardy

.github/workflows/tests_e2e_ios.yml

@@ -75,15 +75,19 @@ 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: Cache Pods
+        id: pods-cache
         with:
           path: tests/ios/Pods
           key: ${{ runner.os }}-pods-${{ hashFiles('**/Podfile.lock') }}-v1
+          restore-keys: ${{ runner.os }}-pods-
 
       - uses: actions/cache@v2
         name: Detox Framework Cache
+        id: detox-cache
         with:
           path: ~/Library/Detox/ios
           key: ${{ runner.os }}-detox-framework-cache-${{ steps.xcode-version.outputs.xcode-version }}