Added first test suite with first test (questionable .cabal though)

tests/MainTestSuite.hs

@@ -0,0 +1,20 @@
+module Main where
+
+import Test.Framework
+import Test.Framework.Providers.QuickCheck2
+ 
+import Map.Map
+
+main :: IO ()
+main = defaultMain tests
+ 
+tests :: [Test]
+tests =
+  [
+    testGroup "Map.Map"
+    [
+       testProperty "remdups idempotency" prop_rd_idempot
+    ]
+  ]
+
+