[CI] Free disk space on Linux runner

Author: marcprux

.github/workflows/ci.yml

@@ -17,6 +17,11 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/[email protected]
+        with:
+          tool-cache: false
+          android: false
       - uses: actions/checkout@v4
       - name: "Test Swift Package on Linux"
         run: swift test

Sources/AndroidLooper/AndroidLooper.swift

@@ -59,7 +59,7 @@ public struct AndroidLooper: ~Copyable, @unchecked Sendable {
 
         _mainLooper = ALooper_forThread()
         if _mainLooper == nil {
-            // this happens sometimes when running in test cases
+            // this happens sometimes when running in test cases, perhaps because setup is not being called from the main thread
             logger.debug("setupMainLooper: ALooper_forThread: no looper found for thread")
             return false
         }