Don't default processingMode to 1.0.

(Fixes expand-manifest.jsonld#tp001 and expand-manifest.jsonld#tp002$)

Author: gkellogg

CHANGELOG.md

@@ -3,7 +3,8 @@
 ## 2.0.0 - 2019-xx-xx
 
 ### Changed
-- Default processing mode changed to json-ld-1.1.
+- Default processing mode changed to json-ld-1.1. Allows a 1.1 context to be
+  used after non-1.1 contexts.
 
 ### Removed
 - **BREAKING**: Remove callback API support. This includes removing support

tests/test-common.js

@@ -116,9 +116,6 @@ const TEST_TYPES = {
       specVersion: ['json-ld-1.0'],
       // FIXME
       idRegex: [
-        // mode
-        /expand-manifest.jsonld#tp001$/,
-        /expand-manifest.jsonld#tp002$/,
         // Don't double-expand an already expanded graph
         /expand-manifest.jsonld#t0081$/,
         // Double-expand an already expanded graph