Update test suite to include pattern 'c' in project data and scene arrangements

tests/ableton-song.test.ts

@@ -102,13 +102,15 @@ function project(): ProjectRawData {
     pads: {
       a: [pad('a', 0), pad('a', 1)],
       b: [pad('b', 0)],
-      c: [],
+      c: [pad('c', 0)],
       d: [],
     },
     groupPatterns: [
       pattern('a', 1, 2, 0, 60),
       pattern('b', 2, 1, 0, 36),
       pattern('a', 3, 1, 1, 64),
+      pattern('c', 3, 1, 0, 67),
+      pattern('b', 1, 1, 0, 38),
     ],
     scenes: [
       scene(1, { a: 1, b: 2, c: 0, d: 0 }, 3, 4),
@@ -156,7 +158,9 @@ test('combines genuine Session scenes, orphan patterns and the repeated Song Arr
     [
       ['01', 'scene', ['a', 'b', 'c', 'd']],
       ['02', 'scene', ['a', 'b', 'c', 'd']],
+      ['B PATTERN 01', 'pattern', ['b']],
       ['A PATTERN 03', 'pattern', ['a']],
+      ['C PATTERN 03', 'pattern', ['c']],
     ],
   );
   assert.deepEqual(
@@ -176,6 +180,7 @@ test('combines genuine Session scenes, orphan patterns and the repeated Song Arr
   const a0 = result.tracks.find((track) => track.padCode === 'a0');
   const a1 = result.tracks.find((track) => track.padCode === 'a1');
   const b0 = result.tracks.find((track) => track.padCode === 'b0');
+  const c0 = result.tracks.find((track) => track.padCode === 'c0');
 
   assert.deepEqual(
     a0?.lane?.sessionClips.map((clip) => clip.sceneIndex),
@@ -191,17 +196,22 @@ test('combines genuine Session scenes, orphan patterns and the repeated Song Arr
   );
   assert.deepEqual(
     a1?.lane?.sessionClips.map((clip) => clip.sceneIndex),
-    [2],
+    [3],
   );
   assert.deepEqual(a1?.lane?.arrangementClips, []);
   assert.deepEqual(
     b0?.lane?.sessionClips.map((clip) => clip.sceneIndex),
-    [0],
+    [0, 2],
   );
   assert.deepEqual(
     b0?.lane?.arrangementClips.map((clip) => [clip.occurrenceIndex, clip.offset]),
     [[1, 4]],
   );
+  assert.deepEqual(
+    c0?.lane?.sessionClips.map((clip) => clip.sceneIndex),
+    [4],
+  );
+  assert.deepEqual(c0?.lane?.arrangementClips, []);
 });
 
 test('keeps Session material and leaves Arrangement empty when no Song is present', () => {