Fix HTML tests on non-browser runtimes.

tools/testing/dart/test_suite.dart

Index: tools/testing/dart/test_suite.dart
diff --git a/tools/testing/dart/test_suite.dart b/tools/testing/dart/test_suite.dart
index dae353a5c3773b8fe2136795fd6826df18cecb5e..7bbef25988fee9167adfa467b62d810b211737e3 100644
--- a/tools/testing/dart/test_suite.dart
+++ b/tools/testing/dart/test_suite.dart
@@ -839,9 +839,10 @@ class StandardTestSuite extends TestSuite {
     String testName = buildTestCaseDisplayName(suiteDir, info.originTestPath,
         multitestName: info.multitestKey);
     Set<Expectation> expectations = testExpectations.expectations(testName);
-    if (info is HtmlTestInformation &&
-        TestUtils.isBrowserRuntime(configuration['runtime'])) {
-      enqueueBrowserTest([], null, info, testName, expectations);
+    if (info is HtmlTestInformation) {
+      if (TestUtils.isBrowserRuntime(configuration['runtime'])) {
+        enqueueBrowserTest([], null, info, testName, expectations);
+      }
       return;
     }
     var filePath = info.filePath;