Don't always run the script tests if there are no compile targets.

scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_linux_linux_chromium_practice_rel_ng_analyze.json

Index: scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_linux_linux_chromium_practice_rel_ng_analyze.json
diff --git a/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_linux_linux_chromium_practice_rel_ng_analyze.json b/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_linux_linux_chromium_practice_rel_ng_analyze.json
index fd6bdcf369403377956df5e9fb91c49c3495285a..c6288d89e571f3030f39f7d8523998fa65e345e4 100644
--- a/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_linux_linux_chromium_practice_rel_ng_analyze.json
+++ b/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_linux_linux_chromium_practice_rel_ng_analyze.json
@@ -169,62 +169,5 @@
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
-  },
-  {
-    "cmd": [
-      "python",
-      "-u",
-      "[BUILD]/scripts/slave/runtest.py",
-      "--target",
-      "Release",
-      "--no-xvfb",
-      "--factory-properties",
-      "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"branch\": \"\", \"build_config\": \"Release\", \"buildername\": \"linux_chromium_practice_rel_ng\", \"buildnumber\": 571, \"issue\": 12853011, \"mastername\": \"tryserver.chromium.linux\", \"patch_project\": \"chromium\", \"patchset\": 1, \"project\": \"chrome\", \"recipe\": \"chromium_trybot\", \"repository\": \"\", \"requester\": \"commit-bot@chromium.org\", \"revision\": null, \"rietveld\": \"https://codereview.chromium.org\", \"slavename\": \"TestSlavename\", \"swarm_hashes\": {\"angle_unittests\": \"[dummy hash for angle_unittests]\", \"content_gl_tests\": \"[dummy hash for content_gl_tests]\", \"content_unittests\": \"[dummy hash for content_unittests]\", \"gl_tests\": \"[dummy hash for gl_tests]\", \"gles2_conform_test\": \"[dummy hash for gles2_conform_test]\", \"gpu_unittests\": \"[dummy hash for gpu_unittests]\", \"media_unittests\": \"[dummy hash for media_unittests]\", \"tab_capture_end2end_tests\": \"[dummy hash for tab_capture_end2end_tests]\", \"telemetry_gpu_test\": \"[dummy hash for telemetry_gpu_test]\"}, \"workdir\": \"/path/to/workdir/TestSlavename\"}",
-      "--build-properties",
-      "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"branch\": \"\", \"build_config\": \"Release\", \"buildername\": \"linux_chromium_practice_rel_ng\", \"buildnumber\": 571, \"issue\": 12853011, \"mastername\": \"tryserver.chromium.linux\", \"patch_project\": \"chromium\", \"patchset\": 1, \"project\": \"chrome\", \"recipe\": \"chromium_trybot\", \"repository\": \"\", \"requester\": \"commit-bot@chromium.org\", \"revision\": null, \"rietveld\": \"https://codereview.chromium.org\", \"slavename\": \"TestSlavename\", \"swarm_hashes\": {\"angle_unittests\": \"[dummy hash for angle_unittests]\", \"content_gl_tests\": \"[dummy hash for content_gl_tests]\", \"content_unittests\": \"[dummy hash for content_unittests]\", \"gl_tests\": \"[dummy hash for gl_tests]\", \"gles2_conform_test\": \"[dummy hash for gles2_conform_test]\", \"gpu_unittests\": \"[dummy hash for gpu_unittests]\", \"media_unittests\": \"[dummy hash for media_unittests]\", \"tab_capture_end2end_tests\": \"[dummy hash for tab_capture_end2end_tests]\", \"telemetry_gpu_test\": \"[dummy hash for telemetry_gpu_test]\"}, \"workdir\": \"/path/to/workdir/TestSlavename\"}",
-      "--builder-name=linux_chromium_practice_rel_ng",
-      "--slave-name=TestSlavename",
-      "--build-number=571",
-      "--run-python-script",
-      "[BUILD]/scripts/slave/chromium/layout_test_wrapper.py",
-      "--target",
-      "Release",
-      "-o",
-      "[SLAVE_BUILD]/layout-test-results",
-      "--build-dir",
-      "[SLAVE_BUILD]/src/out",
-      "--json-test-results",
-      "/path/to/tmp/json"
-    ],
-    "name": "webkit_tests (with patch)",
-    "~followup_annotations": [
-      "@@@STEP_TEXT@<br/>Total executed: 9001<br/>@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "python",
-      "-u",
-      "[BUILD]/scripts/slave/chromium/archive_layout_test_results.py",
-      "--results-dir",
-      "[SLAVE_BUILD]/layout-test-results",
-      "--build-dir",
-      "[SLAVE_BUILD]/src/out",
-      "--build-number",
-      "571",
-      "--builder-name",
-      "linux_chromium_practice_rel_ng",
-      "--gs-bucket",
-      "gs://chromium-layout-test-archives",
-      "--factory-properties",
-      "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"branch\": \"\", \"build_config\": \"Release\", \"buildername\": \"linux_chromium_practice_rel_ng\", \"buildnumber\": 571, \"issue\": 12853011, \"mastername\": \"tryserver.chromium.linux\", \"patch_project\": \"chromium\", \"patchset\": 1, \"project\": \"chrome\", \"recipe\": \"chromium_trybot\", \"repository\": \"\", \"requester\": \"commit-bot@chromium.org\", \"revision\": null, \"rietveld\": \"https://codereview.chromium.org\", \"slavename\": \"TestSlavename\", \"swarm_hashes\": {\"angle_unittests\": \"[dummy hash for angle_unittests]\", \"content_gl_tests\": \"[dummy hash for content_gl_tests]\", \"content_unittests\": \"[dummy hash for content_unittests]\", \"gl_tests\": \"[dummy hash for gl_tests]\", \"gles2_conform_test\": \"[dummy hash for gles2_conform_test]\", \"gpu_unittests\": \"[dummy hash for gpu_unittests]\", \"media_unittests\": \"[dummy hash for media_unittests]\", \"tab_capture_end2end_tests\": \"[dummy hash for tab_capture_end2end_tests]\", \"telemetry_gpu_test\": \"[dummy hash for telemetry_gpu_test]\"}, \"workdir\": \"/path/to/workdir/TestSlavename\"}",
-      "--build-properties",
-      "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"branch\": \"\", \"build_config\": \"Release\", \"buildername\": \"linux_chromium_practice_rel_ng\", \"buildnumber\": 571, \"issue\": 12853011, \"mastername\": \"tryserver.chromium.linux\", \"patch_project\": \"chromium\", \"patchset\": 1, \"project\": \"chrome\", \"recipe\": \"chromium_trybot\", \"repository\": \"\", \"requester\": \"commit-bot@chromium.org\", \"revision\": null, \"rietveld\": \"https://codereview.chromium.org\", \"slavename\": \"TestSlavename\", \"swarm_hashes\": {\"angle_unittests\": \"[dummy hash for angle_unittests]\", \"content_gl_tests\": \"[dummy hash for content_gl_tests]\", \"content_unittests\": \"[dummy hash for content_unittests]\", \"gl_tests\": \"[dummy hash for gl_tests]\", \"gles2_conform_test\": \"[dummy hash for gles2_conform_test]\", \"gpu_unittests\": \"[dummy hash for gpu_unittests]\", \"media_unittests\": \"[dummy hash for media_unittests]\", \"tab_capture_end2end_tests\": \"[dummy hash for tab_capture_end2end_tests]\", \"telemetry_gpu_test\": \"[dummy hash for telemetry_gpu_test]\"}, \"workdir\": \"/path/to/workdir/TestSlavename\"}"
-    ],
-    "name": "archive_webkit_tests_results",
-    "~followup_annotations": [
-      "@@@STEP_LINK@layout_test_results@https://storage.googleapis.com/chromium-layout-test-archives/linux_chromium_practice_rel_ng/571/layout-test-results/results.html@@@",
-      "@@@STEP_LINK@(zip)@https://storage.googleapis.com/chromium-layout-test-archives/linux_chromium_practice_rel_ng/571/layout-test-results.zip@@@"
-    ]
   }
 ]