Use box tests to check if the light analysis mode (without analyzing bodies when possible) produces the same result as the complete analysis. See also the next commit in which light analysis mode is applied. Note that no tests were changed.

compiler/testData/codegen/light-analysis/defaultArguments/function/extentionFunctionInObject.txt

@@ -0,0 +1,12 @@
+public final class A {
+    public final static field INSTANCE: A
+    private method <init>(): void
+    public synthetic static method foo$default(p0: A, p1: int, p2: int, p3: int, p4: java.lang.Object): int
+    public final method foo(p0: int, p1: int): int
+    public final @org.jetbrains.annotations.NotNull method test(): java.lang.String
+}
+
+
+public final class ExtentionFunctionInObjectKt {
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}