Kapt: Extract annotation processing running logic from the compiler plugin

plugins/kapt3/kapt3-base/testData/runner/Simple.java

@@ -0,0 +1,39 @@
+package test;
+
+/**
+ * KDoc comment.
+ */
+class Simple {
+    @MyAnnotation
+    void myMethod() {
+        // do nothing
+    }
+}
+
+@interface MyAnnotation {
+
+}
+
+enum EnumClass {
+    BLACK, WHITE
+}
+
+
+enum EnumClass2 {
+    WHITE("A"), RED("B");
+
+    private final String blah;
+
+    EnumClass2(String blah) {
+        this.blah = blah;
+    }
+}
+
+enum EnumClass3 {
+    A {
+        @Override
+        void a() {}
+    };
+
+    abstract void a();
+}