Remove wpctl parsing tests (TestParseSinkLine, TestParseSinks)

These tests cover parseSinkLine and parseSinks, which parse the output of
wpctl status. Both functions will be removed in the next commit as part of
migrating away from PipeWire/wpctl to pure SDL_mixer volume control.

internal/mixer/mixer_internal_test.go

@@ -142,171 +142,4 @@ func TestPlayDoesNotDeadlockWhenUninitialized(t *testing.T) {
 	}
 }
 
-func TestParseSinkLine(t *testing.T) {
-	tests := []struct {
-		name     string
-		input    string
-		wantOK   bool
-		wantID   int
-		wantName string
-		wantVol  float64
-		wantDef  bool
-	}{
-		{
-			name:     "default sink with volume",
-			input:    "*51. USB Audio   [vol: 1.00]",
-			wantOK:   true,
-			wantID:   51,
-			wantName: "USB Audio",
-			wantVol:  1.00,
-			wantDef:  true,
-		},
-		{
-			name:     "non-default sink with volume",
-			input:    "33. Built-in Audio Analog Stereo   [vol: 0.65]",
-			wantOK:   true,
-			wantID:   33,
-			wantName: "Built-in Audio Analog Stereo",
-			wantVol:  0.65,
-			wantDef:  false,
-		},
-		{
-			name:     "default sink with muted tag",
-			input:    "*51. USB Audio   [vol: 0.50 MUTED]",
-			wantOK:   true,
-			wantID:   51,
-			wantName: "USB Audio",
-			wantVol:  0.50,
-			wantDef:  true,
-		},
-		{
-			name:     "sink without volume field",
-			input:    "33. Built-in Audio Analog Stereo",
-			wantOK:   true,
-			wantID:   33,
-			wantName: "Built-in Audio Analog Stereo",
-			wantVol:  0.0,
-			wantDef:  false,
-		},
-		{
-			name:     "empty string",
-			input:    "",
-			wantOK:   false,
-		},
-		{
-			name:     "no dot separator",
-			input:    "no dot here",
-			wantOK:   false,
-		},
-		{
-			name:     "non-numeric ID",
-			input:    "abc. Some Device   [vol: 0.80]",
-			wantOK:   false,
-		},
-		{
-			name:     "zero volume",
-			input:    "1. Muted Device   [vol: 0.00]",
-			wantOK:   true,
-			wantID:   1,
-			wantName: "Muted Device",
-			wantVol:  0.0,
-			wantDef:  false,
-		},
-	}
 
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			sink, ok := parseSinkLine(tt.input)
-			if ok != tt.wantOK {
-				t.Fatalf("parseSinkLine(%q) ok = %v, want %v", tt.input, ok, tt.wantOK)
-			}
-			if !ok {
-				return
-			}
-			if sink.ID != tt.wantID {
-				t.Errorf("ID = %d, want %d", sink.ID, tt.wantID)
-			}
-			if sink.Name != tt.wantName {
-				t.Errorf("Name = %q, want %q", sink.Name, tt.wantName)
-			}
-			if sink.Volume != tt.wantVol {
-				t.Errorf("Volume = %f, want %f", sink.Volume, tt.wantVol)
-			}
-			if sink.IsDefault != tt.wantDef {
-				t.Errorf("IsDefault = %v, want %v", sink.IsDefault, tt.wantDef)
-			}
-		})
-	}
-}
-
-func TestParseSinks(t *testing.T) {
-	tests := []struct {
-		name      string
-		input     string
-		wantCount int
-		wantNames []string
-	}{
-		{
-			name: "two sinks",
-			input: `Audio
- Sinks:
-  *51. USB Audio   [vol: 1.00]
-   33. Built-in Audio Analog Stereo   [vol: 0.65]
- Sources:
-  52. Microphone   [vol: 0.80]`,
-			wantCount: 2,
-			wantNames: []string{"USB Audio", "Built-in Audio Analog Stereo"},
-		},
-		{
-			name: "no sinks section",
-			input: `Audio
- Sources:
-  52. Microphone   [vol: 0.80]`,
-			wantCount: 0,
-		},
-		{
-			name: "sinks with tree characters",
-			input: `Audio
- ├─Sinks:
- │ ├─*51. USB Audio   [vol: 1.00]
- │ └─33. Built-in Audio Analog Stereo   [vol: 0.65]
- └─Sources:
-    └─52. Microphone   [vol: 0.80]`,
-			wantCount: 2,
-			wantNames: []string{"USB Audio", "Built-in Audio Analog Stereo"},
-		},
-		{
-			name: "empty input",
-			input: ``,
-			wantCount: 0,
-		},
-		{
-			name: "video section ignored",
-			input: `Video
- Sinks:
-  100. HDMI Output   [vol: 1.00]
-Audio
- Sinks:
-  51. USB Audio   [vol: 1.00]`,
-			wantCount: 1,
-			wantNames: []string{"USB Audio"},
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			sinks, err := parseSinks([]byte(tt.input))
-			if err != nil {
-				t.Fatalf("parseSinks returned error: %v", err)
-			}
-			if len(sinks) != tt.wantCount {
-				t.Fatalf("got %d sinks, want %d", len(sinks), tt.wantCount)
-			}
-			for i, name := range tt.wantNames {
-				if sinks[i].Name != name {
-					t.Errorf("sink[%d].Name = %q, want %q", i, sinks[i].Name, name)
-				}
-			}
-		})
-	}
-}