Update e2e test

Signed-off-by: Matt Lord <[email protected]>

go/test/endtoend/vreplication/config_test.go

@@ -147,7 +147,7 @@ create table nopk (name varchar(128), age int unsigned);
       ],
       "auto_increment": {
         "column": "cid",
-        "sequence": "customer_seq"
+         "sequence": "` + "`customer_seq`" + `"
       }
     },
     "customer_name": {

go/vt/vtctl/workflow/traffic_switcher.go

@@ -1387,6 +1387,7 @@ func (ts *trafficSwitcher) getTargetSequenceMetadata(ctx context.Context) (map[s
 		}
 		var err error
 		for tableName, tableDef := range kvs.Tables {
+			// The table name can be escaped in the vschema definition.
 			if tableName, err = sqlescape.UnescapeID(tableName); err != nil {
 				return err
 			}
@@ -1433,6 +1434,7 @@ func (ts *trafficSwitcher) getTargetSequenceMetadata(ctx context.Context) (map[s
 	searchGroup, gctx := errgroup.WithContext(ctx)
 	searchCompleted := make(chan struct{})
 	for _, keyspace := range keyspaces {
+		// The keyspace name can be escaped in the vschema definition.
 		keyspace, err := sqlescape.UnescapeID(keyspace)
 		if err != nil {
 			return nil, err

go/vt/vtctl/workflow/traffic_switcher_test.go

@@ -142,8 +142,6 @@ func TestGetTargetSequenceMetadata(t *testing.T) {
 					},
 				},
 			},
-			// key: ```my-seq1```, value: &{```my-seq1``` ```source-ks``` vt_`source-ks` t1 vt_targetks 0x14000758640}
-			// column_vindexes:{column:"`my-col`" name:"xxhash"} auto_increment:{column:"`my-col`" sequence:"`source-ks`.`my-seq1`"}
 			want: map[string]*sequenceMetadata{
 				"my-seq1": {
 					backingTableName:     "my-seq1",
@@ -204,7 +202,6 @@ func TestGetTargetSequenceMetadata(t *testing.T) {
 				sources:        sources,
 				targets:        targets,
 			}
-			//t.Logf("DEBUG: ts: %+v", ts)
 			got, err := ts.getTargetSequenceMetadata(ctx)
 			if tc.err != "" {
 				require.EqualError(t, err, tc.err)