cmd/bench: update location of gopls benchmarks

Change-Id: I5a86759412beb2e824160323d43fd7e063e0b359
Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/545817
Reviewed-by: Alan Donovan <adonovan@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
diff --git a/cmd/bench/gotest.go b/cmd/bench/gotest.go
index 83d845d..02d1574 100644
--- a/cmd/bench/gotest.go
+++ b/cmd/bench/gotest.go
@@ -49,7 +49,7 @@
 		//
 		// By convention, gopls uses -short to define tests that should be run by
 		// x/benchmarks.
-		benchmarkDir := filepath.Join(experimentDir, "gopls", "internal", "regtest", "bench")
+		benchmarkDir := filepath.Join(experimentDir, "gopls", "internal", "test", "integration", "bench")
 
 		tests := []struct {
 			name     string // toolchain name