function isPostBody(oCandidate) {
			return _Helper.getPrivateAnnotation(oCache.aElements[0], "postBody") === oCandidate;
		}
******************************************************************************************
	QUnit.test("_Cache#create: $metadata fails", function (assert) {
		var oCache = new _Cache(this.oRequestor, "TEAMS"),
			aCollection = [],
			oCreatePromise,
			oEntityData = {},
			oError = new Error("This call intentionally failed"),
			fnErrorCallback = this.spy(),
			oGroupLock = {
				getGroupId : function () { return "updateGroup"; }
			},
			oPostPathPromise = SyncPromise.resolve("TEAMS('0')/TEAM_2_EMPLOYEES");

		aCollection.$created = 0;
		this.mock(oCache).expects("getValue").withExactArgs("('0')/TEAM_2_EMPLOYEES")
			.returns(aCollection);
		this.mock(oCache).expects("fetchTypes").twice().withExactArgs()
			.returns(SyncPromise.reject(oError));
		this.mock(this.oRequestor).expects("request")
			.withExactArgs("POST", "TEAMS('0')/TEAM_2_EMPLOYEES", sinon.match.same(oGroupLock),
				null, /*oPayload