fix err check and multi remote branch test

go/libraries/doltcore/sqle/dprocedures/dolt_checkout.go

@@ -558,10 +558,13 @@ func checkoutExistingBranchWithWorkingSetFallback(
 		}
 
 		err = checkoutExistingBranch(ctx, dbName, branchName, apr)
-	}
-	if err != nil {
+		if err != nil {
+			return err
+		}
+	} else if err != nil {
 		return err
 	}
+
 	return nil
 }
 

integration-tests/bats/checkout.bats

@@ -847,7 +847,7 @@ SQL
 
     dolt checkout main
 
-    # Use explicit branch reference
+    # use explicit branch reference
     dolt checkout feature --
 
     # verify we switched to feature branch
@@ -1146,9 +1146,15 @@ SQL
     echo "$output"
     [[ "$output" =~ "'feature' matched multiple (2) remote tracking branches" ]] || false
 
+    run dolt checkout --track origin/feature
+    [ "$status" -eq 0 ]
+    echo "$output"
+    [[ "$output" =~ "Switched to branch 'feature'" ]] || false
+    [[ "$output" =~ "branch 'feature' set up to track 'origin/feature'" ]] || false
+
     # verify we're still on main branch
     run dolt branch
     [ "$status" -eq 0 ]
-    [[ "$output" =~ "* main" ]] || false
+    [[ "$output" =~ "* feature" ]] || false
 }