diff --git a/common/predictive-text/unit_tests/in_browser/cases/top-level-lmlayer.js b/common/predictive-text/unit_tests/in_browser/cases/top-level-lmlayer.js
index ed875b1d7d..29660bde2d 100644
--- a/common/predictive-text/unit_tests/in_browser/cases/top-level-lmlayer.js
+++ b/common/predictive-text/unit_tests/in_browser/cases/top-level-lmlayer.js
@@ -9,6 +9,7 @@ describe('LMLayer', function () {
   });
 
   describe('#initialize()', function () {
+    // TODO: implement configuration negotiation?
     it.skip('should yield a reasonable configuration', function () {
       let maxLeftContext = 64;
       let lmLayer = new LMLayer();
diff --git a/common/predictive-text/unit_tests/in_browser/cases/worker-dummy-integration.js b/common/predictive-text/unit_tests/in_browser/cases/worker-dummy-integration.js
index 064fca78c3..c173a61cba 100644
--- a/common/predictive-text/unit_tests/in_browser/cases/worker-dummy-integration.js
+++ b/common/predictive-text/unit_tests/in_browser/cases/worker-dummy-integration.js
@@ -16,7 +16,9 @@ describe('LMLayer using dummy model', function () {
         maxLefContextCodeUnits: 32 + ~~Math.random() * 32
       };
 
-      // Tower of promises!
+      // We're testing many as asynchronous messages in a row.
+      // this would be cleaner using async/await syntax, but
+      // alas some of our browsers don't support it.
       return lmLayer.initialize(
         capabilities,
         {
@@ -52,103 +54,6 @@ describe('LMLayer using dummy model', function () {
   }
 
   function iGotDistractedByHazel() {
-    return [
-      [
-        {
-          transform: {
-            insert: 'I ',
-            deleteLeft: 0
-          },
-          displayAs: 'I',
-        },
-        {
-          transform: {
-            insert: "I'm ",
-            deleteLeft: 0
-          },
-          displayAs: "I'm",
-        },
-        {
-          transform: {
-            insert: "Oh ",
-            deleteLeft: 0
-          },
-          displayAs: "Oh ",
-        }
-      ],
-      // Second set of suggestions, after choosing "I"
-      [
-        {
-          transform: {
-            insert: 'love ',
-            deleteLeft: 0
-          },
-          displayAs: 'love',
-        },
-        {
-          transform: {
-            insert: "am ",
-            deleteLeft: 0
-          },
-          displayAs: "am",
-        },
-        {
-          transform: {
-            insert: "got ",
-            deleteLeft: 0
-          },
-          displayAs: "got",
-        }
-      ],
-      // Third set of suggestions, after choosing "got"
-      [
-        {
-          transform: {
-            insert: 'distracted ',
-            deleteLeft: 0
-          },
-          displayAs: 'distracted by',
-        },
-        {
-          transform: {
-            insert: "distracted ",
-            deleteLeft: 0
-          },
-          displayAs: "distracted",
-        },
-        {
-          transform: {
-            insert: "a ",
-            deleteLeft: 0
-          },
-          displayAs: "a",
-        }
-      ],
-      // Last set of suggestions, after choosing "distracted by"
-      [
-        {
-          transform: {
-            insert: 'Hazel ',
-            deleteLeft: 0
-          },
-          displayAs: 'Hazel',
-        },
-        {
-          transform: {
-            insert: 'the ',
-            deleteLeft: 0
-          },
-          displayAs: 'the',
-        },
-        {
-          transform: {
-            insert: 'a ',
-            deleteLeft: 0
-          },
-          displayAs: 'a',
-        },
-      ],
-
-    ]
+    return __json__['future_suggestions/i_got_distracted_by_hazel']
   }
 });
diff --git a/common/predictive-text/unit_tests/in_browser/json/future_suggestions/i_got_distracted_by_hazel.json b/common/predictive-text/unit_tests/in_browser/json/future_suggestions/i_got_distracted_by_hazel.json
new file mode 100644
index 0000000000..347b98d2e6
--- /dev/null
+++ b/common/predictive-text/unit_tests/in_browser/json/future_suggestions/i_got_distracted_by_hazel.json
@@ -0,0 +1,94 @@
+[
+  [
+    {
+      "transform": {
+        "insert": "I ",
+        "deleteLeft": 0
+      },
+      "displayAs": "I"
+    },
+    {
+      "transform": {
+        "insert": "I'm ",
+        "deleteLeft": 0
+      },
+      "displayAs": "I'm"
+    },
+    {
+      "transform": {
+        "insert": "Oh ",
+        "deleteLeft": 0
+      },
+      "displayAs": "Oh "
+    }
+  ],
+  [
+    {
+      "transform": {
+        "insert": "love ",
+        "deleteLeft": 0
+      },
+      "displayAs": "love"
+    },
+    {
+      "transform": {
+        "insert": "am ",
+        "deleteLeft": 0
+      },
+      "displayAs": "am"
+    },
+    {
+      "transform": {
+        "insert": "got ",
+        "deleteLeft": 0
+      },
+      "displayAs": "got"
+    }
+  ],
+  [
+    {
+      "transform": {
+        "insert": "distracted ",
+        "deleteLeft": 0
+      },
+      "displayAs": "distracted by"
+    },
+    {
+      "transform": {
+        "insert": "distracted ",
+        "deleteLeft": 0
+      },
+      "displayAs": "distracted"
+    },
+    {
+      "transform": {
+        "insert": "a ",
+        "deleteLeft": 0
+      },
+      "displayAs": "a"
+    }
+  ],
+  [
+    {
+      "transform": {
+        "insert": "Hazel ",
+        "deleteLeft": 0
+      },
+      "displayAs": "Hazel"
+    },
+    {
+      "transform": {
+        "insert": "the ",
+        "deleteLeft": 0
+      },
+      "displayAs": "the"
+    },
+    {
+      "transform": {
+        "insert": "a ",
+        "deleteLeft": 0
+      },
+      "displayAs": "a"
+    }
+  ]
+]