function assertIndices(assert, aContexts, aExpectedIndices) {
		aContexts.forEach(function (oContext, i) {
			assert.strictEqual(oContext.getIndex(), i);
			assert.strictEqual(oContext.iIndex, aExpectedIndices[i]);
		});
	}
Asserts that the given contexts have the expected indices, both internally and from a view
perspective.

@param {object} assert - The QUnit assert object
@param {sap.ui.model.odata.v4.Context[]} aContexts - Some contexts
@param {number[]} aExpectedIndices - Expected internal <code>iIndex</code> values per context