[Analysis API] add some basic tests for symbol substitution

analysis/analysis-api/testData/components/signatureSubstitution/symbolSubstitution/function.kt

@@ -0,0 +1,3 @@
+// SUBSTITUTOR: T->kotlin.collections.List<S>;S->kotlin.Long
+
+fun <T, S> f<caret>oo(x: List<T>, y: Map<T, List<S>>, k: String): T

analysis/analysis-api/testData/components/signatureSubstitution/symbolSubstitution/function.txt

@@ -0,0 +1,6 @@
+KtDeclaration: KtNamedFunction
+Symbol:
+fun <T, S> foo(x: kotlin.collections.List<T>, y: kotlin.collections.Map<T, kotlin.collections.List<S>>, k: kotlin.String): T
+
+Signature:
+foo(x: kotlin.collections.List<kotlin.collections.List<S>>, y: kotlin.collections.Map<kotlin.collections.List<S>, kotlin.collections.List<kotlin.Long>>, k: kotlin.String): kotlin.collections.List<S>

analysis/analysis-api/testData/components/signatureSubstitution/symbolSubstitution/property.kt

@@ -0,0 +1,3 @@
+// SUBSTITUTOR: T->kotlin.collections.List<S>;S->kotlin.Long
+
+val <T, S> Map<T, S>.val<caret>ue: List<S>

analysis/analysis-api/testData/components/signatureSubstitution/symbolSubstitution/property.txt

@@ -0,0 +1,6 @@
+KtDeclaration: KtProperty
+Symbol:
+val <T, S> kotlin.collections.Map<T, S>.value: kotlin.collections.List<S>
+
+Signature:
+kotlin.collections.Map<kotlin.collections.List<S>, kotlin.Long>.value: kotlin.collections.List<kotlin.Long>