Moving test data into subfolders

idea/idea-completion/testData/basic/common/substitutedSignature/SubstitutedSignature1.kt

@@ -0,0 +1,6 @@
+fun foo(list: MutableList<String>) {
+    list.<caret>
+}
+
+// EXIST: { itemText: "add", tailText: "(e: String)", typeText: "Boolean" }
+// EXIST: { itemText: "iterator", tailText: "()", typeText: "Iterator<String>" }

idea/idea-completion/testData/basic/common/substitutedSignature/SubstitutedSignature2.kt

@@ -0,0 +1,11 @@
+open class C<T> {
+    fun foo(t: T): T = t
+}
+
+class B : C<String>() {
+    fun f() {
+        <caret>
+    }
+}
+
+// EXIST: { itemText: "foo", tailText: "(t: String)", typeText: "String" }

idea/idea-completion/testData/basic/common/substitutedSignature/SubstitutedSignature3.kt

@@ -0,0 +1,5 @@
+fun foo(list: List<String>) {
+    list.<caret>
+}
+// EXIST: { itemText: "firstOrNull", tailText: " {...} (predicate: (String) -> Boolean) for Iterable<T> in kotlin", typeText: "String?" }
+// EXIST: { itemText: "toMap", tailText: " {...} (selector: (String) -> K) for Iterable<T> in kotlin", typeText: "Map<K, String>" }

idea/idea-completion/testData/basic/common/substitutedSignature/SubstitutedSignature4.kt

@@ -0,0 +1,14 @@
+trait Trait<T>
+
+fun<T> Trait<T>.extension(t: T): T = t
+
+class Outer : Trait<String> {
+    inner class Inner : Trait<Int> {
+        fun foo() {
+            ext<caret>
+        }
+    }
+}
+
+// EXIST: { itemText: "extension", tailText: "(t: String) for Trait<T> in <root>", typeText: "String" }
+// EXIST: { itemText: "extension", tailText: "(t: Int) for Trait<T> in <root>", typeText: "Int" }

idea/idea-completion/testData/basic/common/substitutedSignature/SubstitutedSignature5.kt

@@ -0,0 +1,7 @@
+fun<T> T.doSomething(t: T): T = t
+
+fun foo(s: String?) {
+    s.<caret>
+}
+
+// EXIST: { itemText: "doSomething", tailText: "(t: String?) for T in <root>", typeText: "String?" }

idea/idea-completion/testData/basic/common/substitutedSignature/SubstitutedSignature6.kt

@@ -0,0 +1,7 @@
+fun<T> T.doSomething(t: T): T = t
+
+fun foo(s: String?) {
+    s?.<caret>
+}
+
+// EXIST: { itemText: "doSomething", tailText: "(t: String) for T in <root>", typeText: "String" }