Remove redundant serviceworker/cache-* tests

LayoutTests/http/tests/serviceworker/resources/cache-storage-match-worker.js

-importScripts('worker-testharness.js');
-importScripts('../../resources/testharness-helpers.js');
-importScripts('override_assert_object_equals.js');
-
-(function() {
-  var next_index = 1;
-
-  // Returns a transaction (request, response, and url) for a unique URL.
-  function create_unique_transaction(test) {
-    var uniquifier = String(next_index++);
-    var url = 'http://example.com/' + uniquifier;
-
-    return {
-      request: new Request(url),
-      response: new Response('hello'),
-      url: url
-    };
-  }
-
-  self.create_unique_transaction = create_unique_transaction;
-})();
-
-cache_test(function(cache) {
-    var transaction = create_unique_transaction();
-
-    return cache.put(transaction.request.clone(), transaction.response.clone())
-      .then(function() {
-          return self.caches.match(transaction.request);
-        })
-      .then(function(response) {
-          assert_object_equals(response, transaction.response,
-                               'The response should not have changed.');
-        });
-}, 'CacheStorageMatch with no cache name provided');
-
-cache_test(function(cache) {
-    var transaction = create_unique_transaction();
-
-    var test_cache_list = ['a', 'b', 'c'];
-    return cache.put(transaction.request.clone(), transaction.response.clone())
-      .then(function() {
-          return Promise.all(test_cache_list.map(function(key) {
-              return self.caches.open(key);
-            }));
-        })
-      .then(function() {
-          return self.caches.match(transaction.request);
-        })
-      .then(function(response) {
-          assert_object_equals(response, transaction.response,
-                               'The response should not have changed.');
-        });
-}, 'CacheStorageMatch from one of many caches');
-
-promise_test(function(test) {
-    var transaction = create_unique_transaction();
-
-    var test_cache_list = ['x', 'y', 'z'];
-    return Promise.all(test_cache_list.map(function(key) {
-        return self.caches.open(key);
-      }))
-      .then(function() { return caches.open('x'); })
-      .then(function(cache) {
-          return cache.put(transaction.request.clone(),
-                           transaction.response.clone());
-        })
-      .then(function() {
-          return self.caches.match(transaction.request, {cacheName: 'x'});
-        })
-      .then(function(response) {
-          assert_object_equals(response, transaction.response,
-                               'The response should not have changed.');
-        })
-      .then(function() {
-          return self.caches.match(transaction.request, {cacheName: 'y'});
-        })
-      .then(function(response) {
-          assert_equals(response, undefined,
-                        'Cache y should not have a response for the request.');
-        });
-}, 'CacheStorageMatch from one of many caches by name');
-
-cache_test(function(cache) {
-    var transaction = create_unique_transaction();
-    return cache.put(transaction.url, transaction.response.clone())
-      .then(function() {
-          return self.caches.match(transaction.request);
-        })
-      .then(function(response) {
-          assert_object_equals(response, transaction.response,
-                               'The response should not have changed.');
-        });
-}, 'CacheStorageMatch a string request');
-
-promise_test(function(test) {
-    var transaction = create_unique_transaction();
-    return self.caches.match(transaction.request)
-      .then(function(response) {
-          assert_equals(response, undefined,
-                        'The response should not be found.');
-        })
-}, 'CacheStorageMatch with no cached entry');
-
-promise_test(function(test) {
-    var transaction = create_unique_transaction();
-    return self.caches.has('foo')
-      .then(function(has_foo) {
-          assert_false(has_foo, "The cache should not exist.");
-          return self.caches.match(transaction.request, {cacheName: 'foo'});
-        })
-      .then(function(response) {
-          assert_equals(response, undefined,
-                        'The response should not be found.');
-          return self.caches.has('foo');
-        })
-      .then(function(has_foo) {
-          assert_false(has_foo, "The cache should still not exist.");
-        })
-}, 'CacheStorageMatch with no caches available but name provided');