tmp fix for when contract is missing in sol tests

lib/modules/tests/solc_test.js

@@ -57,6 +57,8 @@ class SolcTest extends Test {
         console.info('Deploying contracts'.cyan);
         let fns = [];
         contracts.forEach((contract) => {
+          // TODO: fix me
+          if (!contract) return;
           contract._gasLimit = self.gasLimit;
           let fn = (cb) => {
             self.events.request('deploy:contract', contract, cb);