[WASM] Disable test/stdlib/InputStream.swift.gyb because of single process

kateinoigakukun · kateinoigakukun · commit 74275405b3fd · 2020-04-01T02:53:26.000Z
diff --git a/test/stdlib/InputStream.swift.gyb b/test/stdlib/InputStream.swift.gyb
@@ -12,6 +12,7 @@
 // -*- swift -*-
 // RUN: %target-run-simple-swiftgyb
 // REQUIRES: executable_test
+// UNSUPPORTED: OS=wasi
 
 import StdlibUnittest
 
