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/smart/NameSimilarityForElvis.kt

@@ -0,0 +1,11 @@
+fun f(fooBar: String){}
+
+object C {
+    fun aaa(): String = ""
+}
+
+fun g(b: Boolean, aaa: String, foo: String, bar: String) {
+    f(C.aaa() ?: <caret>)
+}
+
+// ORDER: bar, foo, aaa