fix(test/blockchain): fix race condition of installing web3 and test

packages/embark/src/lib/modules/tests/test.js

@@ -34,15 +34,17 @@ class Test {
   init(callback) {
     this.gasLimit = constants.tests.gasLimit;
     this.events.request('deploy:setGasLimit', this.gasLimit);
-    if (this.options.node !== 'embark') {
-      this.showNodeHttpWarning();
-      return callback();
-    }
-    if (!this.ipc.connected) {
-      this.logger.error("Could not connect to Embark's IPC. Is embark running?");
-      if (!this.options.inProcess) process.exit(1);
-    }
-    return this.connectToIpcNode(callback);
+    this.events.request('blockchain:connector:ready', () => {
+      if (this.options.node !== 'embark') {
+        this.showNodeHttpWarning();
+        return callback();
+      }
+      if (!this.ipc.connected) {
+        this.logger.error("Could not connect to Embark's IPC. Is embark running?");
+        if (!this.options.inProcess) process.exit(1);
+      }
+      this.connectToIpcNode(callback);
+    });
   }
 
   connectToIpcNode(cb) {

packages/web3Connector/index.js

@@ -44,5 +44,11 @@ module.exports = (embark) => {
 
       embark.addConsoleProviderInit('blockchain', code, shouldInit);
     });
+
+    embark.events.setCommandHandler('blockchain:connector:ready', (cb) => {
+      pathPromise.then((_web3Location) => {
+        cb();
+      });
+    });
   });
 };

test_dapps/contracts_app/contracts.json

@@ -1,7 +1,6 @@
 {
   "default": {
     "versions": {
-      "web3": "1.0.0-beta.27",
       "solc": "0.4.24"
     },
     "deployment": {

test_dapps/contracts_app/embark.json

@@ -1,5 +1,7 @@
 {
-  "contracts": ["contracts/**"],
+  "contracts": [
+    "contracts/**"
+  ],
   "app": {},
   "buildDir": "build/",
   "config": {
@@ -12,5 +14,8 @@
   "versions": {
     "web3": "1.0.0-beta",
     "solc": "0.4.24"
+  },
+  "plugins": {
+    "web3Connector": {}
   }
 }

test_dapps/contracts_app/package.json

@@ -1,7 +1,8 @@
 {
   "devDependencies": {
     "embark": "4.0.0-beta.0",
-    "rimraf": "2.6.3"
+    "rimraf": "2.6.3",
+    "web3Connector": "file:../../../packages/web3Connector"
   },
   "name": "contracts_app",
   "private": true,