Never send transactions to the Notary that aren't signed by all parties. Toughen up to use validating Notary in general and put Client precheck into NotaryProtocol.

Rename method to better reflect its actions

Handle comments from PR

Correct indentation

node/src/test/kotlin/com/r3corda/node/services/ValidatingNotaryServiceTests.kt

@@ -66,9 +66,10 @@ class ValidatingNotaryServiceTests {
             tx.toSignedTransaction(false)
         }
 
-        val future = runClient(stx)
-
-        val ex = assertFailsWith(ExecutionException::class) { future.get() }
+        val ex = assertFailsWith(ExecutionException::class) {
+            val future = runClient(stx)
+            future.get()
+        }
         val notaryError = (ex.cause as NotaryException).error
         assertThat(notaryError).isInstanceOf(NotaryError.SignaturesMissing::class.java)