[Firebase AI] Move GOOGLEAPPMEASUREMENT flag into test.sh

Author: andrewheard

.github/workflows/firebaseai.yml

@@ -16,7 +16,6 @@ concurrency:
 
 env:
   SAMPLE: FirebaseAI
-  FIREBASECI_USE_LATEST_GOOGLEAPPMEASUREMENT: 1
 
 jobs:
   spm:

scripts/test.sh

@@ -131,6 +131,11 @@ function xcb() {
     xcodebuild "$@" | xcpretty
 }
 
+# Point SPM CI to the tip of `main` of
+# https://github.com/google/GoogleAppMeasurement so that the release process
+# can defer publishing the `GoogleAppMeasurement` tag until after testing.
+export FIREBASECI_USE_LATEST_GOOGLEAPPMEASUREMENT=1
+
 # Run xcodebuild
 sudo xcode-select -s "/Applications/Xcode_${xcode_version}.app/Contents/Developer"
 xcb "${flags[@]}"