Add test methods and data for uncommon cases

Uncommon means mostly that aren't present in raw fir builder data

compiler/visualizer/testData/uncommonCases/testFiles/properties.kt

@@ -0,0 +1,34 @@
+package org.jetbrains.kotlin.test
+
+val p1 = 10
+val p2: Double = 1.0
+val p3: Float = 2.5f
+val p4 = "some string"
+
+val p5 = p1 + p2
+val p6 = p1 * p2 + (p5 - p3)
+
+val withGetter
+    get() = p1 * p3
+
+var withSetter
+    get() = p4
+    set(value) = value
+
+val withGetter2: Boolean
+    get() {
+        return true
+    }
+
+var withSetter2: String
+    get() = "1"
+    set(value) {
+        field = value + "!"
+    }
+
+private val privateGetter: String = "cba"
+    get
+
+var privateSetter: String = "abc"
+    private set
+