[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/testsWithStdLib/duplicateJvmSignature/jvmStaticInClassObject.fir.kt

@@ -0,0 +1,9 @@
+open class Base {
+    fun foo() {}
+}
+
+class Derived : Base() {
+    companion object {
+        @JvmStatic fun foo() {}
+    }
+}