Tests added

package.json

@@ -18,6 +18,10 @@
     "exportedModules": [
          "System.IOExts"
   ],
+    "testsuite": {
+        "src-dir": "test",
+        "modules":  [ "TestConnect" ]
+    },
     "source": {
       "git": "https://git.ps.informatik.uni-kiel.de/curry-packages/io-extra.git",
       "tag": "$version"

test/TestConnect.curry

+-- Testing operations from library IOExts:
+
+import System.IO
+import System.IOExts
+import Test.Prop
+
+-- Execute shell command show the first output line of its execution:
+getExec cmd = do
+  hdl <- connectToCommand cmd
+  s <- hGetLine hdl
+  hClose hdl
+  return s
+
+testConnectToCommand = (getExec "echo abcde") `returns` "abcde"