diff --git a/internal/setup/setup_test.go b/internal/setup/setup_test.go
index 18ddbce1..eeda3d50 100644
--- a/internal/setup/setup_test.go
+++ b/internal/setup/setup_test.go
@@ -1160,27 +1160,42 @@ var sliceKeyTests = []struct {
 }, {
 	input:    "fo_bar",
 	expected: setup.SliceKey{Package: "fo", Slice: "bar"},
+}, {
+	input:    "1234_bar",
+	expected: setup.SliceKey{Package: "1234", Slice: "bar"},
+}, {
+	input:    "foo1.1-2-3_bar",
+	expected: setup.SliceKey{Package: "foo1.1-2-3", Slice: "bar"},
+}, {
+	input:    "foo-pkg_dashed-slice-name",
+	expected: setup.SliceKey{Package: "foo-pkg", Slice: "dashed-slice-name"},
+}, {
+	input:    "foo+_bar",
+	expected: setup.SliceKey{Package: "foo+", Slice: "bar"},
+}, {
+	input:    "foo_slice123",
+	expected: setup.SliceKey{Package: "foo", Slice: "slice123"},
+}, {
+	input:    "g++_bins",
+	expected: setup.SliceKey{Package: "g++", Slice: "bins"},
+}, {
+	input:    "a+_bar",
+	expected: setup.SliceKey{Package: "a+", Slice: "bar"},
+}, {
+	input:    "a._bar",
+	expected: setup.SliceKey{Package: "a.", Slice: "bar"},
 }, {
 	input: "foo_ba",
 	err:   `invalid slice reference: "foo_ba"`,
 }, {
 	input: "f_bar",
 	err:   `invalid slice reference: "f_bar"`,
-}, {
-	input:    "1234_bar",
-	expected: setup.SliceKey{Package: "1234", Slice: "bar"},
 }, {
 	input: "1234_789",
 	err:   `invalid slice reference: "1234_789"`,
-}, {
-	input:    "foo1.1-2-3_bar",
-	expected: setup.SliceKey{Package: "foo1.1-2-3", Slice: "bar"},
 }, {
 	input: "chicken_bar.b.q",
 	err:   `invalid slice reference: "chicken_bar.b.q"`,
-}, {
-	input:    "foo-pkg_dashed-slice-name",
-	expected: setup.SliceKey{Package: "foo-pkg", Slice: "dashed-slice-name"},
 }, {
 	input: "foo-_-bar",
 	err:   `invalid slice reference: "foo-_-bar"`,
@@ -1193,33 +1208,18 @@ var sliceKeyTests = []struct {
 }, {
 	input: "-foo_bar",
 	err:   `invalid slice reference: "-foo_bar"`,
-}, {
-	input:    "foo+_bar",
-	expected: setup.SliceKey{Package: "foo+", Slice: "bar"},
-}, {
-	input:    "foo_slice123",
-	expected: setup.SliceKey{Package: "foo", Slice: "slice123"},
 }, {
 	input: "foo_bar_baz",
 	err:   `invalid slice reference: "foo_bar_baz"`,
-}, {
-	input:    "g++_bins",
-	expected: setup.SliceKey{Package: "g++", Slice: "bins"},
-}, {
-	input:    "a+_bar",
-	expected: setup.SliceKey{Package: "a+", Slice: "bar"},
 }, {
 	input: "a-_bar",
 	err:   `invalid slice reference: "a-_bar"`,
-}, {
-	input:    "a._bar",
-	expected: setup.SliceKey{Package: "a.", Slice: "bar"},
 }, {
 	input: "+++_bar",
-	err:   `invalid slice reference: .*`,
+	err:   `invalid slice reference: "\+\+\+_bar"`,
 }, {
 	input: "..._bar",
-	err:   `invalid slice reference: .*`,
+	err:   `invalid slice reference: "\.\.\._bar"`,
 }, {
 	input: "white space_no-whitespace",
 	err:   `invalid slice reference: "white space_no-whitespace"`,