add gasPrice test and fixed failing uncle tests

test/web3.eth.gasPrice.js

@@ -0,0 +1,39 @@
+var chai = require('chai');
+var assert = chai.assert;
+var web3 = require('../index');
+var BigNumber = require('bignumber.js');
+var FakeHttpProvider = require('./helpers/FakeHttpProvider');
+
+var method = 'gasPrice';
+
+var tests = [{
+    result: '0x15f90',
+    formattedResult: new BigNumber(90000),
+    call: 'eth_'+ method
+}];
+
+describe('web3.eth', function () {
+    describe(method, function () {
+        tests.forEach(function (test, index) {
+            it('property test: ' + index, function () {
+                
+                // given
+                var provider = new FakeHttpProvider();
+                web3.setProvider(provider);
+                provider.injectResult(test.result);
+                provider.injectValidation(function (payload) {
+                    assert.equal(payload.jsonrpc, '2.0');
+                    assert.equal(payload.method, test.call);
+                    assert.deepEqual(payload.params, []);
+                });
+
+                // when 
+                var result = web3.eth[method];
+                
+                // then
+                assert.deepEqual(test.formattedResult, result);
+            });
+        });
+    });
+});
+

test/web3.eth.getUncle.js

@@ -118,19 +118,19 @@ var formattedBlockResultWithTx = {
 
 var tests = [{
     args: ['0x47d33b27bb249a2dbab4c0612bf9caf4c1950855', 2],
-    formattedArgs: ['0x47d33b27bb249a2dbab4c0612bf9caf4c1950855', '0x2', false],
+    formattedArgs: ['0x47d33b27bb249a2dbab4c0612bf9caf4c1950855', '0x2'],
     result: blockResult,
     formattedResult: formattedBlockResult,
     call: 'eth_getUncleByBlockHashAndIndex'
 },{
     args: [436, 1],
-    formattedArgs: ['0x1b4', '0x1', false],
+    formattedArgs: ['0x1b4', '0x1'],
     result: blockResult,
     formattedResult: formattedBlockResult,
     call: 'eth_getUncleByBlockNumberAndIndex'
 },{
     args: [436, 1, true],
-    formattedArgs: ['0x1b4', '0x1', true],
+    formattedArgs: ['0x1b4', '0x1'],
     result: blockResultWithTx,
     formattedResult: formattedBlockResultWithTx,
     call: 'eth_getUncleByBlockNumberAndIndex'