Created module idea-test-framework and moved classes needed for idea tests there

Moved tests for completion and their test data into module idea-completion

idea/idea-completion/testData/smart/forLoopRange/Simple.kt

@@ -0,0 +1,16 @@
+fun foo(p1: String, p2: Int, p3: Collection<Int>) {
+    for (i in <caret>)
+}
+
+fun f1(): String{}
+fun f2(): Int{}
+fun f3(): Iterable<Char>{}
+
+// EXIST: p1
+// ABSENT: p2
+// EXIST: p3
+// EXIST: f1
+// ABSENT: f2
+// EXIST: f3
+// EXIST: { lookupString:"listOf", itemText: "listOf", tailText: "(vararg values: T) (kotlin)", typeText:"List<T>" }
+