3 files changed, 4 insertions, 4 deletions
diff --git a/packages/order-watcher/test/global_hooks.ts b/packages/order-watcher/test/global_hooks.ts
index 30b0cd697..8ff4a120f 100644
--- a/packages/order-watcher/test/global_hooks.ts
+++ b/packages/order-watcher/test/global_hooks.ts
@@ -7,7 +7,7 @@ before('migrate contracts', async function(): Promise<void> {
     // HACK: Since the migrations take longer then our global mocha timeout limit
     // we manually increase it for this before hook.
     const mochaTestTimeoutMs = 25000;
-    this.timeout(mochaTestTimeoutMs);
+    this.timeout(mochaTestTimeoutMs); // tslint:disable-line:no-invalid-this
     const txDefaults = {
         gas: devConstants.GAS_LIMIT,
         from: devConstants.TESTRPC_FIRST_ADDRESS,
diff --git a/packages/order-watcher/test/order_watcher_test.ts b/packages/order-watcher/test/order_watcher_test.ts
index 2889051bc..8e9223efe 100644
--- a/packages/order-watcher/test/order_watcher_test.ts
+++ b/packages/order-watcher/test/order_watcher_test.ts
@@ -116,8 +116,8 @@ describe('OrderWatcher', () => {
             orderWatcher.unsubscribe();
         });
         it('should fail when trying to subscribe twice', async () => {
-            orderWatcher.subscribe(_.noop);
-            expect(() => orderWatcher.subscribe(_.noop)).to.throw(OrderWatcherError.SubscriptionAlreadyPresent);
+            orderWatcher.subscribe(_.noop.bind(_));
+            expect(() => orderWatcher.subscribe(_.noop.bind(_))).to.throw(OrderWatcherError.SubscriptionAlreadyPresent);
         });
     });
     describe('tests with cleanup', async () => {
diff --git a/packages/order-watcher/test/utils/token_utils.ts b/packages/order-watcher/test/utils/token_utils.ts
index e1191b5bb..f91b3797f 100644
--- a/packages/order-watcher/test/utils/token_utils.ts
+++ b/packages/order-watcher/test/utils/token_utils.ts
@@ -7,7 +7,7 @@ const PROTOCOL_TOKEN_SYMBOL = 'ZRX';
 const WETH_TOKEN_SYMBOL = 'WETH';
 
 export class TokenUtils {
-    private _tokens: Token[];
+    private readonly _tokens: Token[];
     constructor(tokens: Token[]) {
         this._tokens = tokens;
     }