Fix test cases

models/packages_test.go

@@ -87,61 +87,3 @@ func TestMerge(t *testing.T) {
 		t.Errorf("expected %s, actual %s", e, a)
 	}
 }
-
-func TestFormatVersionsFromTo(t *testing.T) {
-	var tests = []struct {
-		packs    Packages
-		expected string
-	}{
-		{
-			packs: Packages{
-				"hoge": {
-					Name:       "hoge",
-					Version:    "1.0.0",
-					Release:    "release1",
-					NewVersion: "1.0.1",
-					NewRelease: "release2",
-				},
-			},
-			expected: "hoge-1.0.0-release1 -> hoge-1.0.1-release2",
-		},
-		{
-			packs: Packages{
-				"hoge": {
-					Name:       "hoge",
-					Version:    "1.0.0",
-					Release:    "",
-					NewVersion: "1.0.1",
-					NewRelease: "",
-				},
-			},
-			expected: "hoge-1.0.0 -> hoge-1.0.1",
-		},
-		{
-			packs: Packages{
-				"hoge": {
-					Name:       "hoge",
-					Version:    "1.0.0",
-					Release:    "",
-					NewVersion: "1.0.1",
-					NewRelease: "",
-				},
-				"fuga": {
-					Name:       "fuga",
-					Version:    "2.0.0",
-					Release:    "",
-					NewVersion: "2.0.1",
-					NewRelease: "",
-				},
-			},
-			expected: "hoge-1.0.0 -> hoge-1.0.1\nfuga-2.0.0 -> fuga-2.0.1",
-		},
-	}
-
-	for _, tt := range tests {
-		actual := tt.packs.FormatVersionsFromTo()
-		if !reflect.DeepEqual(tt.expected, actual) {
-			t.Errorf("\nexpected: %v\n  actual: %v\n", tt.expected, actual)
-		}
-	}
-}