diff --git a/tests/qunit/CardModel.test.js b/tests/qunit/CardModel.test.js
index fd9d8df1..d22401b9 100644
--- a/tests/qunit/CardModel.test.js
+++ b/tests/qunit/CardModel.test.js
@@ -19,7 +19,7 @@
 
 		model = new CardModel( {} );
 		model.on( 'change', function () {
-			assert.ok( false, 'It doesn\'t emit an event when silenced.' );
+			assert.true( false, 'It doesn\'t emit an event when silenced.' );
 		} );
 
 		model.set( 'foo', 'bar', true );
diff --git a/tests/qunit/RelatedPagesGateway.test.js b/tests/qunit/RelatedPagesGateway.test.js
index d806e608..7cb53762 100644
--- a/tests/qunit/RelatedPagesGateway.test.js
+++ b/tests/qunit/RelatedPagesGateway.test.js
@@ -32,7 +32,7 @@
 		this.sandbox.stub( this.api, 'get' ).returns( $.Deferred().resolve( relatedPages ) );
 
 		return gateway.getForCurrentPage( 1 ).then( function ( results ) {
-			assert.ok( Array.isArray( results ), 'Results must be an array' );
+			assert.true( Array.isArray( results ), 'Results must be an array' );
 			assert.strictEqual( results[ 0 ].title, 'Oh noes' );
 		} );
 	} );
@@ -42,7 +42,7 @@
 		this.sandbox.stub( this.api, 'get' ).returns( $.Deferred().resolve( emptyRelatedPages ) );
 
 		return gateway.getForCurrentPage( 1 ).then( function ( results ) {
-			assert.ok( Array.isArray( results ), 'Results must be an array' );
+			assert.true( Array.isArray( results ), 'Results must be an array' );
 			assert.strictEqual( results.length, 0 );
 		} );
 	} );
@@ -52,8 +52,8 @@
 			spy = this.sandbox.stub( this.api, 'get' ).returns( $.Deferred().resolve( relatedPages ) );
 
 		return gateway.getForCurrentPage( 1 ).then( function ( results ) {
-			assert.ok( Array.isArray( results ), 'Results must be an array' );
-			assert.notOk( spy.called, 'API is not invoked' );
+			assert.true( Array.isArray( results ), 'Results must be an array' );
+			assert.false( spy.called, 'API is not invoked' );
 			assert.strictEqual( results.length, 0 );
 		} );
 	} );
@@ -97,7 +97,7 @@
 			.returns( $.Deferred().resolve( relatedPages ) );
 
 		return gateway.getForCurrentPage( 1 ).then( function ( results ) {
-			assert.ok( Array.isArray( results ), 'Results must be an array' );
+			assert.true( Array.isArray( results ), 'Results must be an array' );
 			assert.strictEqual( results.length, 1, 'API is invoked to source articles.' );
 		} );
 	} );