diff --git a/src/testRunner/unittests/tscWatch/helpers.ts b/src/testRunner/unittests/tscWatch/helpers.ts
index 3a9cb9a4fd8..a032c44ee0f 100644
--- a/src/testRunner/unittests/tscWatch/helpers.ts
+++ b/src/testRunner/unittests/tscWatch/helpers.ts
@@ -218,12 +218,9 @@ namespace ts.tscWatch {
             host,
             [
                 ...map(errors, hostOutputDiagnostic),
-                ...map(
-                    reportErrorSummary ?
-                        [getErrorSummaryText(errors.length, host.newLine)] :
-                        emptyArray,
-                    hostOutputWatchDiagnostic
-                )
+                ...reportErrorSummary ?
+                    [hostOutputWatchDiagnostic(getErrorSummaryText(errors.length, host.newLine))] :
+                    emptyArray
             ]
         );
     }
diff --git a/tests/projects/demo/zoo/zoo.ts b/tests/projects/demo/zoo/zoo.ts
index a00ad8a79e4..8958a65aac1 100644
--- a/tests/projects/demo/zoo/zoo.ts
+++ b/tests/projects/demo/zoo/zoo.ts
@@ -1,4 +1,3 @@
-// import Animal from '../animals/index';
 import { Dog, createDog } from '../animals/index';
 
 export function createZoo(): Array<Dog> {