adding skeleton for experimental unit tests

Author: thiggy1342

ruby/ql/test/query-tests/experimental/decompression-api/DecompressionAPI.expected

@@ -0,0 +1 @@
+queries/experimental/decompression-api/DecompressionAPI.ql

ruby/ql/test/query-tests/experimental/decompression-api/DecompressionAPI.qlref

@@ -0,0 +1,11 @@
+class TestController < ActionController::Base
+    def unsafe_unzip
+        TestModel::unzip(params[:path])
+    end
+end
+
+class TestModel
+    def unzip(filename)
+        Zlib::Inflate.inflate(filename)
+    end
+end