swarmbucket: fix empty dimension value

go/src/infra/tools/swarming-transition/cmd/swarmbucketbuilders/testdata/builders.pyl

Index: go/src/infra/tools/swarming-transition/cmd/swarmbucketbuilders/testdata/builders.pyl
diff --git a/go/src/infra/tools/swarming-transition/cmd/swarmbucketbuilders/testdata/builders.pyl b/go/src/infra/tools/swarming-transition/cmd/swarmbucketbuilders/testdata/builders.pyl
index 45750e45a4ac1f280ed7918951685d4aa2790c5a..a6f79a9ce643b0cde1b187ce62200ba7d3eac45a 100644
--- a/go/src/infra/tools/swarming-transition/cmd/swarmbucketbuilders/testdata/builders.pyl
+++ b/go/src/infra/tools/swarming-transition/cmd/swarmbucketbuilders/testdata/builders.pyl
@@ -36,6 +36,7 @@
       "properties": {
         "repo_name": "build",
         "runhooks": True,
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["mac_slave_pool"],
@@ -48,6 +49,7 @@
       "properties": {
         "repo_name": "build",
         "runhooks": True,
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
@@ -60,6 +62,7 @@
       "properties": {
         "repo_name": "build",
         "runhooks": True,
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["win64_slave_pool"],
@@ -71,6 +74,7 @@
       "recipe": "run_presubmit",
       "properties": {
         "repo_name": "depot_tools",
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
@@ -84,6 +88,7 @@
       "properties": {
         "repo_name": "build",
         "runhooks": True,
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["mac_slave_pool"],
@@ -96,6 +101,7 @@
       "properties": {
         "repo_name": "build",
         "runhooks": True,
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
@@ -108,6 +114,7 @@
       "properties": {
         "repo_name": "build",
         "runhooks": True,
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["win64_slave_pool"],
@@ -120,6 +127,7 @@
       "properties": {
         "repo_name": "infra",
         "runhooks": True,
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
@@ -132,6 +140,9 @@
       "scheduler": None,
       "slave_pools": ["precise32_slave_pool"],
       "slavebuilddir": "infra",
+      "properties": {
+        "a": "a",
+      },
     },
     "Infra Linux Trusty 64 Tester": {
       "category": "Infra",
@@ -140,6 +151,9 @@
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
       "slavebuilddir": "infra",
+      "properties": {
+        "a": "a",
+      },
     },
     "Infra Mac Tester": {
       "category": "Infra",
@@ -148,6 +162,9 @@
       "scheduler": None,
       "slave_pools": ["mac_slave_pool"],
       "slavebuilddir": "Infra",
+      "properties": {
+        "a": "a",
+      },
     },
     "Infra Win Tester": {
       "category": "Infra",
@@ -156,6 +173,9 @@
       "scheduler": None,
       "slave_pools": ["win64_slave_pool"],
       "slavebuilddir": "infra",
+      "properties": {
+        "a": "a",
+      },
     },
 
     "Luci-py Presubmit": {
@@ -164,6 +184,7 @@
       "properties": {
         "repo_name": "luci_py",
         "runhooks": True,
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
@@ -177,6 +198,9 @@
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
       "slavebuilddir": "presubmit_lucigae",
+      "properties": {
+        "a": "a",
+      },
     },
 
     "Luci-GAE Linux Trusty 64 Tester": {
@@ -186,6 +210,9 @@
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
       "slavebuilddir": "luci-gae",
+      "properties": {
+        "a": "a",
+      },
     },
     "Luci-go Presubmit": {
       "category": "Luci-go",
@@ -194,6 +221,9 @@
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
       "slavebuilddir": "presubmit_lucigo",
+      "properties": {
+        "a": "a",
+      },
     },
     "Luci-go Linux Trusty 64 Tester": {
       "category": "Luci-go",
@@ -202,6 +232,9 @@
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
       "slavebuilddir": "luci-go",
+      "properties": {
+        "a": "a",
+      },
     },
     "Luci-go Linux Precise 32 Tester": {
       "category": "Luci-go",
@@ -210,6 +243,9 @@
       "scheduler": None,
       "slave_pools": ["precise32_slave_pool"],
       "slavebuilddir": "luci-go",
+      "properties": {
+        "a": "a",
+      },
     },
     "Luci-go Mac Tester": {
       "category": "Luci-go",
@@ -218,6 +254,9 @@
       "scheduler": None,
       "slave_pools": ["mac_slave_pool"],
       "slavebuilddir": "luci-go",
+      "properties": {
+        "a": "a",
+      },
     },
     "Luci-go Win Tester": {
       "category": "Luci-go",
@@ -226,6 +265,9 @@
       "scheduler": None,
       "slave_pools": ["win64_slave_pool"],
       "slavebuilddir": "luci-go",
+      "properties": {
+        "a": "a",
+      },
     },
 
     "Recipes-py Presubmit": {
@@ -234,6 +276,7 @@
       "properties": {
         "repo_name": "recipes_py",
         "runhooks": True,
+        "a": "a",
       },
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
@@ -247,6 +290,9 @@
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
       "slavebuilddir": "recipe_roll_tryjob",
+      "properties": {
+        "a": "a",
+      },
     },
 
     "gerrit-test-cq-normal": {
@@ -256,6 +302,9 @@
       "scheduler": None,
       "slave_pools": ["trusty64_slave_pool"],
       "slavebuilddir": "gerrit-test-cq-normal",
+      "properties": {
+        "a": "a",
+      },
     },
   },