Fix scheme set method

dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/Scheme.kt

@@ -122,7 +122,7 @@ public open class Scheme(
         override fun hashCode(): Int = Meta.hashCode(this)
 
         override fun set(name: Name, node: Meta?) {
-            target[name] = node
+            target[pathName + name] = node
             invalidate(name)
         }
 

dataforge-meta/src/commonTest/kotlin/space/kscience/dataforge/meta/SchemeTest.kt

@@ -1,70 +0,0 @@
-package space.kscience.dataforge.meta
-
-import space.kscience.dataforge.misc.DFExperimental
-import kotlin.test.Test
-import kotlin.test.assertEquals
-import kotlin.test.assertNotNull
-
-
-private class SchemeWithInit: Scheme(){
-    init {
-        set("initial", "initialValue")
-    }
-
-    var initial by string()
-    companion object: SchemeSpec<SchemeWithInit>(::SchemeWithInit)
-}
-
-
-
-class SchemeTest {
-    @Test
-    fun testSchemeWrappingBeforeEdit() {
-        val config = MutableMeta()
-        val scheme = TestScheme.write(config)
-        scheme.a = 29
-        assertEquals(29, config["a"].int)
-    }
-
-    @OptIn(DFExperimental::class)
-    @Test
-    fun testSchemeWrappingAfterEdit() {
-        val scheme = TestScheme.empty()
-        scheme.a = 29
-        val config = MutableMeta()
-        scheme.retarget(config)
-        assertEquals(29, scheme.a)
-    }
-
-    @Test
-    fun testSchemeSubscription() {
-        val scheme = TestScheme.empty()
-        var flag: Int? = null
-        scheme.useProperty(TestScheme::a) { a ->
-            flag = a
-        }
-        scheme.a = 2
-        assertEquals(2, flag)
-    }
-
-    @Test
-    fun testListSubscription(){
-        val scheme = TestScheme.empty()
-        var value: Value? = null
-        scheme.v = ListValue(0.0,0.0,0.0)
-        scheme.useProperty(TestScheme::v){
-            value = it
-        }
-        scheme.v = ListValue(1.0, 2.0, 3.0)
-        assertNotNull(value)
-    }
-
-
-    @Test
-    fun testSchemeWithInit(){
-        val scheme = SchemeWithInit()
-        assertEquals("initialValue", scheme.initial)
-        scheme.initial = "none"
-        assertEquals("none", scheme.initial)
-    }
-}