Pass custom testers to asymmetric testers

This allows custom equality testers to affect asymmetric matches.
This avoid suprises when combining addCustomEqualityTester with
objectContaining or arrayContaining.

Closes #1138

spec/core/integration/CustomMatchersSpec.js

@@ -56,6 +56,29 @@ describe("Custom Matchers (Integration)", function() {
     env.execute();
   });
 
+  it("passes the spec if the custom equality matcher passes for types nested inside asymmetric equality testers", function(done) {
+    env.it("spec using custom equality matcher", function() {
+      var customEqualityFn = function(a, b) {
+        // All "foo*" strings match each other.
+        if (typeof a == "string" && typeof b == "string" &&
+            a.substr(0, 3) == "foo" && b.substr(0, 3) == "foo") {
+          return true;
+        }
+      };
+
+      env.addCustomEqualityTester(customEqualityFn);
+      env.expect({foo: 'fooValue'}).toEqual(jasmine.objectContaining({foo: 'fooBar'}));
+      env.expect(['fooValue']).toEqual(jasmine.arrayContaining(['fooBar']));
+    });
+
+    var specExpectations = function(result) {
+      expect(result.status).toEqual('passed');
+    };
+
+    env.addReporter({ specDone: specExpectations, jasmineDone: done });
+    env.execute();
+  });
+
   it("uses the negative compare function for a negative comparison, if provided", function(done) {
     env.it("spec with custom negative comparison matcher", function() {
       env.addMatchers({