Test ensuring shortrefs are unique for edgecase (#1105)

## Description

Some paths can generate identical unescaped strings even though they have different elements. Add a test ensuring they generate unique ShortRefs even under these conditions.

## Type of change

<!--- Please check the type of change your PR introduces: --->
- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [x] 🤖 Test
- [ ] 💻 CI/Deployment
- [ ] 🐹 Trivial/Minor

## Issue(s)

* closes #1092 

## Test Plan

<!-- How will this be tested prior to merging.-->
- [ ] 💪 Manual
- [x] ⚡ Unit test
- [ ] 💚 E2E

src/pkg/path/path_test.go

@@ -414,6 +414,18 @@ func (suite *PathUnitSuite) TestShortRefIsUnique() {
 	assert.NotEqual(suite.T(), pb1.ShortRef(), pb2.ShortRef())
 }
 
+// TestShortRefUniqueWithEscaping tests that two paths that output the same
+// unescaped string but different escaped strings have different shortrefs. This
+// situation can occur when one path has embedded path separators while the
+// other does not but contains the same characters.
+func (suite *PathUnitSuite) TestShortRefUniqueWithEscaping() {
+	pb1 := Builder{}.Append(`this`, `is`, `a`, `path`)
+	pb2 := Builder{}.Append(`this`, `is/a`, `path`)
+
+	require.NotEqual(suite.T(), pb1, pb2)
+	assert.NotEqual(suite.T(), pb1.ShortRef(), pb2.ShortRef())
+}
+
 func (suite *PathUnitSuite) TestFromStringErrors() {
 	table := []struct {
 		name        string