chromium_tests: apply chromium.get_env() when running tests

scripts/slave/recipes/chromium.expected/full_client_skia_Linux_Tests.json

Index: scripts/slave/recipes/chromium.expected/full_client_skia_Linux_Tests.json
diff --git a/scripts/slave/recipes/chromium.expected/full_client_skia_Linux_Tests.json b/scripts/slave/recipes/chromium.expected/full_client_skia_Linux_Tests.json
index cdf288885531861b83ea1e39a6d91b99cf180c7d..8ba115cbfc5037f445c66b807e2c5bfa4856a216 100644
--- a/scripts/slave/recipes/chromium.expected/full_client_skia_Linux_Tests.json
+++ b/scripts/slave/recipes/chromium.expected/full_client_skia_Linux_Tests.json
@@ -305,6 +305,9 @@
       "--output-json",
       "/path/to/tmp/json"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
     "name": "find isolated tests",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -378,6 +381,9 @@
       "--",
       "--test-launcher-summary-output=${ISOLATED_OUTDIR}/output.json"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
     "name": "[trigger] browser_tests on Ubuntu-12.04",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -418,6 +424,9 @@
       "1",
       "browser_tests/Ubuntu-12.04/ffffffffff/Linux Tests/571"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
     "name": "browser_tests on Ubuntu-12.04",
     "~followup_annotations": [
       "@@@STEP_LINK@shard #0 isolated out@blah@@@"
@@ -443,6 +452,9 @@
       "--chrome-revision",
       "143121"
     ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
     "name": "Upload to test-results [browser_tests on Ubuntu-12.04]"
   },
   {