diff --git a/test/expect-0.2.0/expect.js b/test/expect-0.2.0-ol3/expect.js
similarity index 94%
rename from test/expect-0.2.0/expect.js
rename to test/expect-0.2.0-ol3/expect.js
index 58c7049e0e..2fe81d4575 100644
--- a/test/expect-0.2.0/expect.js
+++ b/test/expect-0.2.0-ol3/expect.js
@@ -299,6 +299,24 @@
     return this;
   };
 
+  /**
+   * Assert value is within _tol_ of _n_.
+   *
+   * @param {Number} n
+   * @param {Number} tol
+   *
+   * @api public
+   */
+
+  Assertion.prototype.roughlyEqual =
+  Assertion.prototype.kindaEqual = function(n, tol) {
+    this.assert(
+        Math.abs(this.obj - n) <= tol
+      , function(){ return 'expected ' + i(this.obj) + ' to be within ' + tol + ' of ' + n }
+      , function(){ return 'expected ' + i(this.obj) + ' not to be within ' + tol + ' of ' + n });
+    return this;
+  };
+
   /**
    * Assert string value matches _regexp_.
    *
@@ -459,6 +477,64 @@
 
     return this;
   };
+
+  /**
+   * Assert that a sinon spy was called.
+   *
+   * @api public
+   */
+  Assertion.prototype.called =
+  Assertion.prototype.totallyWantsToSpeakToYou = function() {
+    this.assert(
+        this.obj.called
+      , function(){ return 'expected ' + i(this.obj) + ' to be called' }
+      , function(){ return 'expected ' + i(this.obj) + ' not to be called' });
+    return this;
+  };
+
+  /**
+   * Assert that that objects intersect.
+   * FIXME this is ol3 specific
+   *
+   * @param {Object} other
+   *
+   * @api public
+   */
+  Assertion.prototype.intersect =
+  Assertion.prototype.wentToSchoolWith = function(other) {
+    this.assert(
+        this.obj.intersects(other)
+      , function(){ return 'expected ' + i(this.obj) + ' to intersect ' + i(other) }
+      , function(){ return 'expected ' + i(this.obj) + ' not to intersect ' + i(other) });
+    return this;
+  };
+
+  /**
+   * Assert that arrays have the same value.
+   *
+   * @param {Array} other
+   *
+   * @api public
+   */
+  Assertion.prototype.equalArray =
+  Assertion.prototype.preferItBeforeItWasFamous = function(other) {
+    var equal = this.obj.length == other.length;
+    if (equal) {
+      var j = 0;
+      for (j = 0; j < other.length; ++j) {
+        if (this.obj[j] !== other[j]) {
+          equal = false;
+          break;
+        }
+      }
+    }
+    this.assert(
+        equal
+      , function(){ return 'expected ' + i(this.obj) + ' to have the same array value as ' + i(other) }
+      , function(){ return 'expected ' + i(this.obj) + ' not to have the same array value as ' + i(other) });
+    return this;
+  };
+
   /**
    * Assert a failure.
    *
diff --git a/test/ol.html b/test/ol.html
index 0860f18003..7831aa0962 100644
--- a/test/ol.html
+++ b/test/ol.html
@@ -22,7 +22,8 @@
   <div id="mocha"></div>
 
   <script type="text/javascript" src="jquery-1.9.1/jquery.min.js"></script>
-  <script type="text/javascript" src="expect-0.2.0/expect.js"></script>
+  <!-- Extended expect.js w/ various methods, see #374 for the differences to 0.2.0 -->
+  <script type="text/javascript" src="expect-0.2.0-ol3/expect.js"></script>
   <script type="text/javascript" src="sinon-1.6.0/sinon.js"></script>
   <script type="text/javascript" src="mocha-1.8.1/mocha.js"></script>
   <script type="text/javascript" src="test-extensions.js"></script>
diff --git a/test/spec/ol/expect.test.js b/test/spec/ol/expect.test.js
new file mode 100644
index 0000000000..427c861da7
--- /dev/null
+++ b/test/spec/ol/expect.test.js
@@ -0,0 +1,131 @@
+goog.provide('ol.test.expect.js');
+
+
+describe('expect.js', function() {
+
+  describe('roughlyEqual', function() {
+
+    it('can tell the difference between 1 and 3', function() {
+      expect(1).not.to.roughlyEqual(3, 1);
+    });
+
+    it('really can tell the difference between 1 and 3', function() {
+      expect(function() {
+        expect(1).to.roughlyEqual(3, 0.5);
+      }).to.throwException();
+    });
+
+  });
+
+  describe('kindaEqual', function() {
+
+    it('thinks that 1 ain\'t so different from 2', function() {
+      expect(1).to.kindaEqual(2, 1);
+    });
+
+    it('knows that, like, 1 and 2 would, like, totally dig each other',
+        function() {
+          expect(function() {
+            expect(1).to.kindaEqual(2, 1);
+          }).not.to.throwException();
+        });
+
+  });
+
+  describe('roughlyEqual and kindaEqual', function() {
+
+    it('it\'s like they\'re soul mates', function() {
+      expect(expect(0).to.roughlyEqual).to.be(expect(1).to.kindaEqual);
+    });
+
+  });
+
+  describe('called', function() {
+
+    var telephone;
+    beforeEach(function() {
+      telephone = sinon.spy();
+    });
+
+    it('has caller ID', function() {
+      telephone();
+      expect(telephone).to.be.called();
+    });
+
+    it('also knows when it\'s speaking to the hand', function() {
+      (function() {})();
+      expect(telephone).not.to.be.called();
+    });
+
+  });
+
+  describe('totallyWantsToSpeakToYou', function() {
+
+    var callMeMaybe;
+    beforeEach(function() {
+      callMeMaybe = sinon.spy();
+    });
+
+    it('reminds you that you forgot', function() {
+      expect(function() {
+        expect(callMeMaybe).to.be.called();
+      }).to.throwException();
+    });
+
+    it('gets moody all too quickly', function() {
+      callMeMaybe();
+      expect(function() {
+        expect(callMeMaybe).not.to.be.called();
+      }).to.throwException();
+    });
+
+  });
+
+  describe('called and totallyWantsToSpeakToYou', function() {
+
+    it('are best friends forever \u2665', function() {
+      expect(expect(0).to.called).to.be(expect(1).to.totallyWantsToSpeakToYou);
+    });
+
+  });
+
+  describe('equalArray', function() {
+
+    it('knows who\'s cool', function() {
+      expect(['me']).to.equalArray(['me']);
+    });
+
+    it('knows who isn\'t', function() {
+      expect(['you']).not.to.equalArray([]);
+    });
+
+  });
+
+  describe('preferItBeforeItWasFamous', function() {
+
+    it('respects the artist\'s privacy', function() {
+      expect(function() {
+        expect(['David', 'Bowie']).to.preferItBeforeItWasFamous(
+            ['David', 'Robert', 'Jones']);
+      }).to.throwException();
+    });
+
+    it('prefers to keep some things quiet', function() {
+      expect(function() {
+        expect(['Cyrus']).to.preferItBeforeItWasFamous(['Cyrus']);
+      }).not.to.throwException();
+
+    });
+
+  });
+
+  describe('equalArray and preferItBeforeItWasFamous', function() {
+
+    it('should record a duet together \u266c', function() {
+      expect(expect(['David Bowie']).to.equalArray).to.be(
+          expect(['Miley Cyrus']).to.preferItBeforeItWasFamous);
+    });
+
+  });
+
+});
diff --git a/test/spec/ol/rectangle.test.js b/test/spec/ol/rectangle.test.js
index 50bd9a4df5..0bfdc3cec7 100644
--- a/test/spec/ol/rectangle.test.js
+++ b/test/spec/ol/rectangle.test.js
@@ -11,7 +11,7 @@ describe('ol.Rectangle', function() {
     });
   });
 
-  describe('intersects', function() {
+  describe('intersect', function() {
 
     var rectangle1;
 
@@ -20,48 +20,48 @@ describe('ol.Rectangle', function() {
     });
 
     it('returns the expected value', function() {
-      expect(rectangle1).to.intersectWith(rectangle1);
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(20, 20, 80, 80));
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(20, 50, 80, 100));
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(20, 80, 80, 120));
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(50, 20, 100, 80));
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(50, 80, 100, 120));
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(80, 20, 120, 80));
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(80, 50, 120, 100));
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(80, 80, 120, 120));
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(20, 20, 120, 120));
-      expect(rectangle1).to.intersectWith(new ol.Rectangle(70, 70, 80, 80));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.intersect(rectangle1);
+      expect(rectangle1).to.intersect(new ol.Rectangle(20, 20, 80, 80));
+      expect(rectangle1).to.intersect(new ol.Rectangle(20, 50, 80, 100));
+      expect(rectangle1).to.intersect(new ol.Rectangle(20, 80, 80, 120));
+      expect(rectangle1).to.intersect(new ol.Rectangle(50, 20, 100, 80));
+      expect(rectangle1).to.intersect(new ol.Rectangle(50, 80, 100, 120));
+      expect(rectangle1).to.intersect(new ol.Rectangle(80, 20, 120, 80));
+      expect(rectangle1).to.intersect(new ol.Rectangle(80, 50, 120, 100));
+      expect(rectangle1).to.intersect(new ol.Rectangle(80, 80, 120, 120));
+      expect(rectangle1).to.intersect(new ol.Rectangle(20, 20, 120, 120));
+      expect(rectangle1).to.intersect(new ol.Rectangle(70, 70, 80, 80));
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(10, 10, 30, 30));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(30, 10, 70, 30));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(50, 10, 100, 30));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(80, 10, 120, 30));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(120, 10, 140, 30));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(10, 30, 30, 70));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(120, 30, 140, 70));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(10, 50, 30, 100));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(120, 50, 140, 100));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(10, 80, 30, 120));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(120, 80, 140, 120));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(10, 120, 30, 140));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(30, 120, 70, 140));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(50, 120, 100, 140));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(80, 120, 120, 140));
-      expect(rectangle1).to.not.intersectWith(
+      expect(rectangle1).to.not.intersect(
           new ol.Rectangle(120, 120, 140, 140));
     });
   });
diff --git a/test/test-extensions.js b/test/test-extensions.js
index 333bce0cb9..76c127646b 100644
--- a/test/test-extensions.js
+++ b/test/test-extensions.js
@@ -19,26 +19,6 @@ function waitsFor(condition, message, timeout, callback) {
 }
 
 
-expect.Assertion.prototype.roughlyEqual = function(other, tol) {
-  return Math.abs(this.actual - other) <= tol;
-};
-
-
-expect.Assertion.prototype.intersectWith = function(other) {
-  return this.obj.intersects(other);
-};
-
-
-expect.Assertion.prototype.called = function() {
-  return this.obj.called;
-};
-
-
-expect.Assertion.prototype.equalArray = function(other) {
-  return goog.array.equals(this.obj, other);
-};
-
-
 // helper functions for async testing
 (function(global) {