cleanup throw tests, add case for bad input

test/address.js

@@ -31,13 +31,9 @@ describe('Address', function() {
       })
 
       it('throws error for invalid or unrecognized input', function() {
-        var addr =
+        assert.throws(function() {
-        assert.throws(
-          function() {
           new Address('beepboopbeepboopbeepboopbeepboopbeepboopbeep')
-          },
+        }, Error)
-          Error
-        )
       })
 
       it('works for byte input', function() {
@@ -51,6 +47,12 @@ describe('Address', function() {
         assert.equal(addr.hash, hash)
         assert.equal(network.testnet.addressVersion, hash.version)
       })
+      
+      it('fails for bad input', function() {
+        assert.throws(function() {
+          new Address('foo')
+        }, Error)
+      })
     })
 
     describe('getVersion', function() {