Restore test for full hash display in create project

tests/Composer/Test/Fixtures/functional/create-project-shows-full-hash-for-dev-packages.test

@@ -0,0 +1,4 @@
+--RUN--
+create-project seld/jsonlint %testDir% dev-master
+--EXPECT-REGEX--
+{^Installing seld/jsonlint \(dev-master [a-f0-9]{40}\)}