Convert Connect apptest to a unittest

mojo/shell/tests/BUILD.gn

Index: mojo/shell/tests/BUILD.gn
diff --git a/mojo/shell/tests/BUILD.gn b/mojo/shell/tests/BUILD.gn
index 494bde838cb5a719e756deb3e668e18fc1e692e6..b9d2de19bb93b64e9e9d954994047c1261d4506e 100644
--- a/mojo/shell/tests/BUILD.gn
+++ b/mojo/shell/tests/BUILD.gn
@@ -52,6 +52,7 @@ test("mojo_shell_unittests") {
     "//mojo/shell/background:main",
     "//mojo/shell/background/tests:unittests",
     "//mojo/shell/public/cpp",
+    "//mojo/shell/tests/connect",
     "//mojo/util:filename_util",
     "//testing/gtest",
     "//url",
@@ -72,8 +73,4 @@ mojo_native_application("apptests") {
   deps = [
     "//mojo/shell/tests/application_manager",
   ]
-
-  data_deps = [
-    "//mojo/shell/tests/connect",
-  ]
 }