Tests: add some test cases for inheritor search

Refactor inheritor search tests to be generated

idea/testData/search/inheritance/annotationClass.kt

@@ -0,0 +1,6 @@
+package a.b
+
+annotation class Anno
+
+// CLASS: java.lang.annotation.Annotation
+// SEARCH: class:Anno

idea/testData/search/inheritance/enum.kt

@@ -0,0 +1,11 @@
+enum class A {
+    E;
+}
+
+// CLASS: java.lang.Enum
+// SEARCH: class:A
+
+// IGNORE_CLASSES: java.
+// IGNORE_CLASSES: javax.
+// IGNORE_CLASSES: sun.
+// IGNORE_CLASSES: org.

idea/testData/search/inheritance/interfaces.kt

@@ -0,0 +1,12 @@
+package a.b
+
+interface I: J {
+
+}
+
+interface J {
+
+}
+
+// CLASS: a.b.J
+// SEARCH: class:I

idea/testData/search/inheritance/object.kt

@@ -0,0 +1,7 @@
+object A : B()
+
+open class B {
+
+}
+// CLASS: B
+// SEARCH: class:A

idea/testData/search/inheritance/simpleClass.kt

@@ -0,0 +1,9 @@
+class A
+
+// CLASS: java.lang.Object
+// SEARCH: class:A
+
+// IGNORE_CLASSES: java.
+// IGNORE_CLASSES: javax.
+// IGNORE_CLASSES: sun.
+// IGNORE_CLASSES: org.