test: make integration test more reliable (angular#14413)

Use a fresh yarn cache
tsickle bugfix to write case-sensitive filenames for Mac

Author: alexeagle

integration/run_tests.sh

@@ -16,6 +16,16 @@ if [ ! -d "../dist/packages-dist-es2015" ]; then
   exit 1
 fi
 
+# Workaround https://github.com/yarnpkg/yarn/issues/2165
+# Yarn will cache file://dist URIs and not update Angular code
+readonly cache=.yarn_local_cache
+function rm_cache {
+  rm -rf $cache
+}
+rm_cache
+mkdir $cache
+trap rm_cache EXIT
+
 for testDir in $(ls | grep -v rxjs | grep -v node_modules) ; do
   [[ -d "$testDir" ]] || continue
   echo "#################################"
@@ -25,7 +35,7 @@ for testDir in $(ls | grep -v rxjs | grep -v node_modules) ; do
     cd $testDir
     # Workaround for https://github.com/yarnpkg/yarn/issues/2256
     rm -f yarn.lock
-    yarn
+    yarn install --cache-folder ../$cache
     yarn test || exit 1
   )
 done

npm-shrinkwrap.clean.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-srcs",
-  "version": "4.0.0-beta.6",
+  "version": "4.0.0-beta.7",
   "dependencies": {
     "@types/angularjs": {
       "version": "1.5.13-alpha",
@@ -6160,14 +6160,8 @@
       }
     },
     "tsickle": {
-      "version": "0.21.1",
-      "dev": true,
-      "dependencies": {
-        "source-map": {
-          "version": "0.5.6",
-          "dev": true
-        }
-      }
+      "version": "0.21.2",
+      "dev": true
     },
     "tslint": {
       "version": "4.1.1",