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/weighers/basic/Callables.kt

@@ -0,0 +1,38 @@
+fun aaGlobalFun(){}
+val aaGlobalProp = 1
+
+open class Base {
+    fun aaBaseFun(){}
+    val aaBaseProp = 1
+}
+
+class Derived : Base() {
+    fun aaDerivedFun(){}
+    val aaDerivedProp = 1
+
+    fun foo() {
+        val aaLocalVal = 1
+        fun aaLocalFun(){}
+
+        aa<caret>
+    }
+}
+
+fun Any.aAnyExtensionFun(){}
+fun Derived.aaExtensionFun(){}
+
+val Any.aAnyExtensionProp: Int get() = 1
+val Derived.aaExtensionProp: Int get() = 1
+
+// ORDER: aaLocalVal
+// ORDER: aaLocalFun
+// ORDER: aaDerivedProp
+// ORDER: aaDerivedFun
+// ORDER: aaBaseProp
+// ORDER: aaBaseFun
+// ORDER: aaExtensionProp
+// ORDER: aaExtensionFun
+// ORDER: aAnyExtensionProp
+// ORDER: aAnyExtensionFun
+// ORDER: aaGlobalProp
+// ORDER: aaGlobalFun