Add linux test cases properly, removed partition in Array Extensions

Author: bhargavg

Fixtures/InvalidLayouts/DirectTestsWithModules1/Tests/LinuxMain.swift

@@ -28,17 +28,4 @@ extension Array {
         }
         return (t, u)
     }
-
-    public func partition(body: (Element) -> Bool) -> ([Element], [Element]) {
-        var a = [Element]()
-        var b = [Element]()
-        for e in self {
-            if body(e) {
-                a.append(e)
-            } else {
-                b.append(e)
-            }
-        }
-        return (a, b)
-    }
 }

Fixtures/InvalidLayouts/DirectTestsWithModules2/Tests/LinuxMain.swift

@@ -10,7 +10,7 @@ See http://swift.org/CONTRIBUTORS.txt for Swift project authors
 
 extension SequenceType {
     @warn_unused_result
-    public func partition(@noescape include:(Generator.Element)->Bool) -> ([Generator.Element], [Generator.Element]) {
+    public func partition(@noescape include: (Generator.Element) -> Bool) -> ([Generator.Element], [Generator.Element]) {
         var left = Array<Generator.Element>()
         var right = Array<Generator.Element>()
 

Fixtures/ValidLayouts/SingleModule/DirectTests/Tests/LinuxMain.swift

@@ -159,6 +159,8 @@ extension InvalidLayoutsTestCase {
             ("testInvalidLayout3", testInvalidLayout3),
             ("testInvalidLayout4", testInvalidLayout4),
             ("testInvalidLayout5", testInvalidLayout5),
+            ("testDirectTestsWithModules1", testDirectTestsWithModules1),
+            ("testDirectTestsWithModules2", testDirectTestsWithModules2),
         ]
     }
 }