gopls/internal/test/integration/completion: skip a_test.go

For golang/go#74987.

Change-Id: I86ed2c86e284bd7d1cf673c8ec7b8b23d8f62c05
Reviewed-on: https://go-review.googlesource.com/c/tools/+/695357
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>

Author: dmitshur

gopls/internal/test/integration/completion/completion18_test.go

@@ -109,6 +109,9 @@ func FuzzHex(f *testing.F) {
 	}
 	Run(t, data, func(t *testing.T, env *Env) {
 		for _, test := range tests {
+			if test.file == "a_test.go" {
+				t.Skip("go.dev/issue/74987: needs updating to pass after CL 695417")
+			}
 			env.OpenFile(test.file)
 			env.Await(env.DoneWithOpen())
 			loc := env.RegexpSearch(test.file, test.pat)