diff --git a/Gulpfile.ts b/Gulpfile.ts
index bff83fcbff690..04e251c4afeff 100644
--- a/Gulpfile.ts
+++ b/Gulpfile.ts
@@ -43,7 +43,7 @@ Error.stackTraceLimit = 1000;
 
 const cmdLineOptions = minimist(process.argv.slice(2), {
     boolean: ["debug", "light", "colors", "lint", "soft"],
-    string: ["browser", "tests", "host", "reporter"],
+    string: ["browser", "tests", "host", "reporter", "stackTraceLimit"],
     alias: {
         d: "debug",
         t: "tests",
@@ -561,6 +561,7 @@ function runConsoleTests(defaultReporter: string, runInParallel: boolean, done:
         const debug = cmdLineOptions["debug"];
         const tests = cmdLineOptions["tests"];
         const light = cmdLineOptions["light"];
+        const stackTraceLimit = cmdLineOptions["stackTraceLimit"];
         const testConfigFile = "test.config";
         if (fs.existsSync(testConfigFile)) {
             fs.unlinkSync(testConfigFile);
@@ -580,7 +581,7 @@ function runConsoleTests(defaultReporter: string, runInParallel: boolean, done:
         }
 
         if (tests || light || taskConfigsFolder) {
-            writeTestConfigFile(tests, light, taskConfigsFolder, workerCount);
+            writeTestConfigFile(tests, light, taskConfigsFolder, workerCount, stackTraceLimit);
         }
 
         if (tests && tests.toLocaleLowerCase() === "rwc") {
@@ -759,8 +760,8 @@ function cleanTestDirs(done: (e?: any) => void) {
 }
 
 // used to pass data from jake command line directly to run.js
-function writeTestConfigFile(tests: string, light: boolean, taskConfigsFolder?: string, workerCount?: number) {
-    const testConfigContents = JSON.stringify({ test: tests ? [tests] : undefined, light: light, workerCount: workerCount, taskConfigsFolder: taskConfigsFolder });
+function writeTestConfigFile(tests: string, light: boolean, taskConfigsFolder?: string, workerCount?: number, stackTraceLimit?: string) {
+    const testConfigContents = JSON.stringify({ test: tests ? [tests] : undefined, light, workerCount, stackTraceLimit, taskConfigsFolder });
     console.log("Running tests with config: " + testConfigContents);
     fs.writeFileSync("test.config", testConfigContents);
 }
diff --git a/src/harness/tsconfig.json b/src/harness/tsconfig.json
index a21faf9dd0745..c065623aed1f3 100644
--- a/src/harness/tsconfig.json
+++ b/src/harness/tsconfig.json
@@ -22,11 +22,25 @@
         "../compiler/utilities.ts",
         "../compiler/binder.ts",
         "../compiler/checker.ts",
+        "../compiler/factory.ts",
+        "../compiler/visitor.ts",
+        "../compiler/transformers/ts.ts",
+        "../compiler/transformers/jsx.ts",
+        "../compiler/transformers/es7.ts",
+        "../compiler/transformers/es6.ts",
+        "../compiler/transformers/generators.ts",
+        "../compiler/transformers/destructuring.ts",
+        "../compiler/transformers/module/module.ts",
+        "../compiler/transformers/module/system.ts",
+        "../compiler/transformers/module/es6.ts",
+        "../compiler/transformer.ts",
+        "../compiler/comments.ts",
         "../compiler/sourcemap.ts",
         "../compiler/declarationEmitter.ts",
         "../compiler/emitter.ts",
         "../compiler/program.ts",
         "../compiler/commandLineParser.ts",
+        "../compiler/tsc.ts",
         "../compiler/diagnosticInformationMap.generated.ts",
         "../services/breakpoints.ts",
         "../services/navigateTo.ts",