refactor(benchpress): added tsconfig to ts_library rules and awaited floating promises (#35147)

* Note: we specify our own tsconfig bc the default tsconfig we provide for ts_library disables the must-use-promises rule

PR Close #35147

modules/benchmarks/src/largetable/BUILD.bazel

@@ -5,6 +5,7 @@ package(default_visibility = ["//visibility:public"])
 ts_library(
     name = "util_lib",
     srcs = ["util.ts"],
+    tsconfig = "//modules/benchmarks:tsconfig-e2e.json",
     deps = ["//modules/benchmarks/src:util_lib"],
 )
 
@@ -12,6 +13,7 @@ ts_library(
     name = "perf_tests_lib",
     testonly = 1,
     srcs = ["largetable.perf-spec.ts"],
+    tsconfig = "//modules/benchmarks:tsconfig-e2e.json",
     deps = [
         "//modules/e2e_util",
         "@npm//protractor",

modules/benchmarks/src/largetable/largetable.perf-spec.ts

@@ -49,7 +49,7 @@ describe('largetable benchmark perf', () => {
   [CreateOnlyWorker, CreateAndDestroyWorker, UpdateWorker].forEach((worker) => {
     describe(worker.id, () => {
       it(`should run benchmark for ${testPackageName}`, async() => {
-        runTableBenchmark({
+        await runTableBenchmark({
           id: `largeTable.${testPackageName}.${worker.id}`,
           url: '/',
           ignoreBrowserSynchronization: true,