test/integration/goDebug.test.ts: enable switch goroutine test dap

The switch goroutine feature has now been merged into dlv dap
so the behavior can be included in the extension tests.

Updates golang/vscode-go#118

Change-Id: I1258eae502abcd7665887f5a225407e0fd1bd2a6
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/306989
Trust: Suzy Mueller <suzmue@golang.org>
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
diff --git a/test/integration/goDebug.test.ts b/test/integration/goDebug.test.ts
index 11a30af..7a0e745 100644
--- a/test/integration/goDebug.test.ts
+++ b/test/integration/goDebug.test.ts
@@ -1637,12 +1637,19 @@
 			]);
 		}
 
-		test.skip('next', async () => {
-			// neither debug adapter implements this behavior
+		test.only('next', async function () {
+			if (!isDlvDap) {
+				// Not implemented in the legacy adapter.
+				this.skip();
+			}
 			await runSwitchGoroutineTest('next');
 		});
 
-		test.skip('step in', async () => {
+		test('step in', async function () {
+			if (!isDlvDap) {
+				// Not implemented in the legacy adapter.
+				this.skip();
+			}
 			// neither debug adapter implements this behavior
 			await runSwitchGoroutineTest('step in');
 		});