add minimal test for faster local development (#11)

tests/test_core.py

@@ -1,18 +1,39 @@
 """Tests standard tap features using the built-in SDK tests library."""
+from __future__ import annotations
 
 import json
 from pathlib import Path
+from typing import TYPE_CHECKING
 
 from singer_sdk.testing import get_tap_test_class
 
+import tap_playstore.streams as s
 from tap_playstore.tap import TapPlayStore
 
+if TYPE_CHECKING:
+    from tap_playstore.client import PlayStoreStream
+
 # CREATE A FILE CALLED `test_config.json`
 # USING YOUR GOOGLE CLOUD CREDENTIALS
 # IN ORDER TO RUN THE TEST SUITE
 with Path(".secrets/test_config.json").open() as f:
     test_config = json.load(f)
 
+
+class MinimalTapPlayStore(TapPlayStore):
+    """Minial Tap with only one stream for fast testing."""
+
+    def discover_streams(self) -> list[PlayStoreStream]:
+        """Minimal discover of just 1 stream."""
+        return [
+            s.StatsOverviewInstallsStream(self),
+        ]
+
+
+TestMinimalPlayStore = get_tap_test_class(
+    tap_class=MinimalTapPlayStore, config=test_config
+)
+
 # Run standard built-in tap tests from the SDK:
 TestTapPlayStore = get_tap_test_class(
     tap_class=TapPlayStore,