beryllium: fix misspell typos (#6648)

* `teh` -> `the`

* Remove typo'd TODO by implementing assertion

* `comapre` -> `compare`

* `exsiting` -> `existing`

rest/replicatortest/replicator_test.go

@@ -8570,6 +8570,8 @@ func TestReplicatorUpdateHLVOnPut(t *testing.T) {
 	// Grab the bucket UUIDs for both rest testers
 	activeBucketUUID, err := activeRT.GetDatabase().Bucket.UUID()
 	require.NoError(t, err)
+	passiveBucketUUID, err := passiveRT.GetDatabase().Bucket.UUID()
+	require.NoError(t, err)
 
 	const rep = "replication"
 
@@ -8596,6 +8598,7 @@ func TestReplicatorUpdateHLVOnPut(t *testing.T) {
 	assert.NoError(t, err)
 	uintCAS = base.HexCasToUint64(syncData.Cas)
 
-	// TODO: assert that the SourceID and Version pair are preserved correctly pending CBG-3211
+	assert.Equal(t, passiveBucketUUID, syncData.HLV.SourceID)
 	assert.Equal(t, uintCAS, syncData.HLV.CurrentVersionCAS)
+	assert.Equal(t, uintCAS, syncData.HLV.Version)
 }