Fix long co19 path names in new directory.

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 d4f758e1e5f3eeef78bc0357cf8b9b5f5f3d7c39..dbcf5e3ae98fb45c5c1e59ee19361861d875202f 100644
--- a/tools/testing/dart/test_suite.dart
+++ b/tools/testing/dart/test_suite.dart
@@ -2105,25 +2105,26 @@ class TestUtils {
 
   static String getShortName(String path) {
     final PATH_REPLACEMENTS = const {
-      "tests_co19_src_WebPlatformTest1_shadow-dom_shadow-trees_":
+      "tests_co19_src_WebPlatformTest_shadow-dom_shadow-trees_":
           "co19_shadow-trees_",
-      "tests_co19_src_WebPlatformTest1_shadow-dom_elements-and-dom-objects_":
+      "tests_co19_src_WebPlatformTest_shadow-dom_elements-and-dom-objects_":
           "co19_shadowdom_",
-      "tests_co19_src_WebPlatformTest1_html-templates_parsing-html-"
+      "tests_co19_src_WebPlatformTest_html-templates_parsing-html-"
           "templates_additions-to-": "co19_htmltemplates_add_",
-      "tests_co19_src_WebPlatformTest1_html-templates_parsing-html-"
+      "tests_co19_src_WebPlatformTest_html-templates_parsing-html-"
           "templates_appending-to-a-template_": "co19_htmltemplates_append_",
-      "tests_co19_src_WebPlatformTest1_html-templates_parsing-html-"
+      "tests_co19_src_WebPlatformTest_html-templates_parsing-html-"
           "templates_clearing-the-stack-back-to-a-given-context_":
           "co19_htmltemplates_clearstack_",
-      "tests_co19_src_WebPlatformTest1_html-templates_parsing-html-"
+      "tests_co19_src_WebPlatformTest_html-templates_parsing-html-"
           "templates_creating-an-element-for-the-token_":
           "co19_htmltemplates_create_",
-      "tests_co19_src_WebPlatformTest1_html-templates_additions-to-"
+      "tests_co19_src_WebPlatformTest_html-templates_additions-to-"
           "the-steps-to-clone-a-node_": "co19_htmltemplates_clone_",
       "tests_co19_src_LayoutTests_fast_dom_Document_CaretRangeFromPoint_"
       "caretRangeFromPoint-": "co19_caretrangefrompoint_",
-      "pkg_polymer_example_canonicalization_test_canonicalization": "polymer_c16n"
+      "pkg_polymer_example_canonicalization_test_canonicalization":
+          "polymer_c16n"
     };
 
     // Some tests are already in [build_dir]/generated_tests.