🔨 Add some tests utilities of activity pub

.env.testing.example

@@ -0,0 +1,43 @@
+# ActivityPub Testing Environment Variables
+
+# Solar Network Configuration
+SOLAR_DOMAIN=solar.local
+SOLAR_PORT=5000
+SOLAR_URL=http://solar.local:5000
+
+# Mastodon (Self-Hosted Test Instance)
+MASTODON_DOMAIN=mastodon.local
+MASTODON_PORT=3001
+MASTODON_STREAMING_PORT=4000
+MASTODON_URL=http://mastodon.local:3001
+
+# Database
+DB_CONNECTION_STRING=Host=localhost;Port=5432;Database=dyson_network;Username=postgres;Password=postgres
+
+# Test Accounts
+SOLAR_TEST_USERNAME=solaruser
+MASTODON_TEST_USERNAME=testuser
+MASTODON_TEST_PASSWORD=TestPassword123!
+
+# ActivityPub Settings
+ACTIVITYPUB_DOMAIN=solar.local
+ACTIVITYPUB_ENABLE_FEDERATION=true
+ACTIVITYPUB_SIGNATURE_ALGORITHM=rsa-sha256
+
+# HTTP Settings
+HTTP_TIMEOUT=30
+HTTP_MAX_RETRIES=3
+
+# Logging
+LOG_LEVEL=Debug
+ACTIVITYPUB_LOG_LEVEL=Trace
+
+# Testing
+TEST_SKIP_DATABASE_RESET=false
+TEST_SKIP_MASTODON_SETUP=false
+TEST_AUTO_ACCEPT_FOLLOWS=false
+
+# Development (only in dev environment)
+DEV_DISABLE_SIGNATURE_VERIFICATION=false
+DEV_LOG_HTTP_BODIES=false
+DEV_DISABLE_CORS=false