[TEST] Migrate AbstractDiagnosticsWithExplicitApi to new test runners

compiler/testData/diagnostics/tests/testsWithExplicitApi/classes.kt

@@ -0,0 +1,47 @@
+// SKIP_TXT
+
+/**
+ * KDoc for Foo1
+ */
+<!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>class Foo1<!>() {}
+
+public class Foo2() {
+    /**
+     * KDoc for method
+     */
+    <!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>fun method<!>() {}
+
+    /**
+     * KDoc for method2
+     */
+    public fun method2() {}
+    private fun method3() {}
+
+    <!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>fun <!NO_EXPLICIT_RETURN_TYPE_IN_API_MODE!>implicit<!><!>() = 10
+    public fun <!NO_EXPLICIT_RETURN_TYPE_IN_API_MODE!>implicit2<!>() = 10
+    public fun implicit3(): Int = 10
+}
+
+public open class ClassWithOpen() {
+    /**
+     * KDoc for method
+     */
+    <!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>fun method<!>() {}
+
+    /**
+     * KDoc for openMethod
+     */
+    <!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>open fun openMethod<!>() {}
+}
+
+public data class FooData(val i: Int, val s: String)
+
+<!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>data class FooData2<!>(val i: Int, val s: String)
+
+public class WithNested {
+    <!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>class Nested<!> {}
+    <!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>inner class Inner<!> {}
+}
+
+<!NO_EXPLICIT_VISIBILITY_IN_API_MODE!>enum class Foo<!> { A, B }
+public enum class Bar { A, B }