fix tests

Author: hauner

json-schema-validator/src/test/kotlin/io/openapiprocessor/jsonschema/schema/DynamicScopeSpec.kt

@@ -22,7 +22,7 @@ class DynamicScopeSpec : StringSpec({
     fun createSchema (id: String? = null, recursiveAnchor: Boolean? = null): JsonSchema {
         val uri = if(id != null) createUri(id) else emptyUri()
 
-        val map = mutableMapOf<String, Any>()
+        val map = mutableMapOf<String, Any?>()
         if (id != null) {
             map["\$id"] = id
         }
@@ -48,7 +48,7 @@ class DynamicScopeSpec : StringSpec({
     fun createSchema2 (id: String? = null, dynamicAnchor: String? = null): JsonSchema {
         val uri = if(id != null) createUri(id) else emptyUri()
 
-        val map = mutableMapOf<String, Any>()
+        val map = mutableMapOf<String, Any?>()
         if (id != null) {
             map["\$id"] = id
         }

openapi-parser/src/test/kotlin/io/openapiparser/OverlayApplierSpec.kt

@@ -27,7 +27,7 @@ class OverlayApplierSpec : StringSpec({
     fun createOpenApi(): OpenApiResult {
         return ApiBuilder()
             .withApi("file:///openapi.yaml",
-                $$"""
+                """
                 openapi: "3.1.0"
                 info:
                   version: 1.0.0
@@ -51,7 +51,7 @@ class OverlayApplierSpec : StringSpec({
                           content:
                             application/json:
                               schema:
-                                $ref: '#/components/schemas/Foo'
+                                ${'$'}ref: '#/components/schemas/Foo'
 
                 components:
                   schemas:

openapi-parser/src/test/kotlin/io/openapiparser/model/v3x/Extensions.kt

@@ -13,7 +13,7 @@ import io.kotest.matchers.shouldBe
 fun <O> testExtensions(
     name: String,
     build: (content: String) -> O,
-    extract: (o: O) -> Map<String, Any>
+    extract: (o: O) -> Map<String, Any?>
 ) = stringSpec {
 
         "gets $name extension values" {