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/NoGenericT.kt

@@ -0,0 +1,9 @@
+fun<T> xxx1(): T {}
+fun<T : Collection<String>> xxx2(): T {}
+
+fun foo() {
+    for (i in <caret>)
+}
+
+// ABSENT: xxx1
+// EXIST: xxx2