fix typo in tests

Author: bweigel

test.js

@@ -629,7 +629,7 @@ test(
     const zipfiles_hello = listZipFilesWithMetaData('.serverless/hello1.zip');
 
     t.true(
-      zipfiles_hello['module1$/foobar'].unixPermissions
+      zipfiles_hello['module1/foobar'].unixPermissions
         .toString(8)
         .slice(3, 6) === perm,
       'foobar has retained its executable file permissions'
@@ -654,7 +654,7 @@ test(
     const zipfiles_hello = listZipFilesWithMetaData('.serverless/hello1.zip');
 
     t.true(
-      zipfiles_hello['module1$/foobar'].unixPermissions
+      zipfiles_hello['module1/foobar'].unixPermissions
         .toString(8)
         .slice(3, 6) === perm,
       'foobar has retained its executable file permissions'