diff --git a/internal/pkg/sub_timeline_fixer/calculate_curve_correlation_test.go b/internal/pkg/sub_timeline_fixer/calculate_curve_correlation_test.go
index ae96cc057..f59e56771 100644
--- a/internal/pkg/sub_timeline_fixer/calculate_curve_correlation_test.go
+++ b/internal/pkg/sub_timeline_fixer/calculate_curve_correlation_test.go
@@ -56,6 +56,36 @@ func TestCalculateCurveCorrelation(t *testing.T) {
 			n: 30,
 		},
 			want: -1},
+		{name: "03", args: args{
+			s1: []float64{0.309016989, 0.587785244, 0.809016985, 0.95105651, 1, 0.951056526,
+				0.809017016, 0.587785287, 0.30901704, 5.35898e-08, 0, 0,
+				0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 0},
+			s2: []float64{0, 0, 0.187381311, 0.368124547, 0.535826787,
+				0.684547097, 0.809016985, 0.904827044, 0.968583156, 0.998026727,
+				0.992114705, 0.951056526, 0, 0, 0,
+				0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0},
+			n: 30,
+		},
+			want: 0.4024278361610972},
+		{name: "03", args: args{
+			s1: []float64{0.309016989, 0.587785244, 0.809016985, 0.95105651, 1, 0.951056526,
+				0.809017016, 0.587785287, 0.30901704, 5.35898e-08, 0, 0,
+				0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 0},
+			s2: []float64{0.187381311, 0.368124547, 0.535826787, 0.684547097, 0.809016985,
+				0.904827044, 0.968583156, 0.998026727, 0.992114705, 0.951056526,
+				0.876306697, 0.770513267, 0.637424022, 0.481753714, 0,
+				0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0},
+			n: 30,
+		},
+			want: 0.6126176272432471},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {