Update pattern tests for new preset-based API

- Replace add() calls with edit() for preset creation
- Update tests to work with merged patterns.py
- Ensure all tests use new Preset object structure

test/patterns/pulse.py

@@ -24,7 +24,7 @@ def main():
 
     # Test 1: Simple single-color pulse
     print("Test 1: Single-color pulse (attack=500, hold=500, decay=500, delay=500)")
-    p.add("pulse1", {
+    p.edit("pulse1", {
         "pattern": "pulse",
         "brightness": 255,
         "colors": [(255, 0, 0)],
@@ -39,7 +39,7 @@ def main():
 
     # Test 2: Faster pulse
     print("Test 2: Fast pulse (attack=100, hold=100, decay=100, delay=100)")
-    p.add("pulse2", {
+    p.edit("pulse2", {
         "pattern": "pulse",
         "n1": 100,
         "n2": 100,
@@ -52,7 +52,7 @@ def main():
 
     # Test 3: Multi-color pulse cycle
     print("Test 3: Multi-color pulse (red -> green -> blue)")
-    p.add("pulse3", {
+    p.edit("pulse3", {
         "pattern": "pulse",
         "n1": 300,
         "n2": 300,
@@ -66,7 +66,7 @@ def main():
 
     # Test 4: One-shot pulse (auto=False)
     print("Test 4: Single pulse, auto=False")
-    p.add("pulse4", {
+    p.edit("pulse4", {
         "pattern": "pulse",
         "n1": 400,
         "n2": 0,
@@ -81,7 +81,7 @@ def main():
 
     # Cleanup
     print("Test complete, turning off")
-    p.add("cleanup_off", {"pattern": "off"})
+    p.edit("cleanup_off", {"pattern": "off"})
     p.select("cleanup_off")
     run_for(p, wdt, 200)