First step for modular output in fasta.

pkg/front_end/test/fasta/testing.json

Index: pkg/front_end/test/fasta/testing.json
diff --git a/pkg/front_end/test/fasta/testing.json b/pkg/front_end/test/fasta/testing.json
index b9d526e1d420010bd002f00bfc12b44ebcca1475..2c91b0a470c08068459b5f08a625112ca2ebd001 100644
--- a/pkg/front_end/test/fasta/testing.json
+++ b/pkg/front_end/test/fasta/testing.json
@@ -51,7 +51,8 @@
       "exclude": [
         "/test/.*_test\\.dart$",
         "/test/.*_suite\\.dart$",
-        "/testcases/top_level_accessors_part\\.dart$"
+        "/testcases/top_level_accessors_part\\.dart$",
+        "/testcases/shaker/"
       ]
     },
 
@@ -67,7 +68,8 @@
       "exclude": [
         "/test/.*_test\\.dart$",
         "/test/.*_suite\\.dart$",
-        "/testcases/top_level_accessors_part\\.dart$"
+        "/testcases/top_level_accessors_part\\.dart$",
+        "/testcases/shaker/"
       ]
     },
 
@@ -83,7 +85,8 @@
       "exclude": [
         "/test/.*_test\\.dart$",
         "/test/.*_suite\\.dart$",
-        "/testcases/top_level_accessors_part\\.dart$"
+        "/testcases/top_level_accessors_part\\.dart$",
+        "/testcases/shaker/"
       ]
     },
 
@@ -99,7 +102,22 @@
       "exclude": [
         "/test/.*_test\\.dart$",
         "/test/.*_suite\\.dart$",
-        "/testcases/top_level_accessors_part\\.dart$"
+        "/testcases/top_level_accessors_part\\.dart$",
+        "/testcases/shaker/"
+      ]
+    },
+
+    {
+      "name": "shaker",
+      "kind": "Chain",
+      "source": "shaker_test.dart",
+      "path": "../../testcases/shaker/",
+      "status": "shaker.status",
+      "pattern": [
+        "\\.dart$"
+      ],
+      "exclude": [
+        "/shaker/lib/lib.dart"
       ]
     },