test deprecated flag

Author: pjfanning

src/test/scala/com/github/swagger/scala/converter/ModelPropertyParserTest.scala

@@ -389,6 +389,7 @@ class ModelPropertyParserTest extends AnyFlatSpec with BeforeAndAfterEach with M
 
   it should "process Model with Scala BigDecimal with annotation" in new PropertiesScope[ModelWBigDecimalAnnotated]() {
     val fieldSchema = model.value.getProperties.get("field")
+    fieldSchema.getDeprecated shouldBe java.lang.Boolean.TRUE
     fieldSchema shouldBe a[StringSchema]
     fieldSchema.asInstanceOf[StringSchema].getExample shouldEqual ("42.0")
     nullSafeSeq(model.value.getRequired) shouldEqual Seq("field")
@@ -397,6 +398,7 @@ class ModelPropertyParserTest extends AnyFlatSpec with BeforeAndAfterEach with M
   it should "map BigDecimal to schema type 'number'" in new PropertiesScope[ModelWBigDecimalNoType]() {
     val properties = model.value.getProperties
     val fieldSchema = properties.get("field")
+    fieldSchema.getDeprecated shouldBe null
     properties should have size 1
 
     fieldSchema shouldBe a[NumberSchema]

src/test/scala/models/ModelWBigDecimalAnnotated.scala

@@ -3,7 +3,8 @@ package models
 import io.swagger.v3.oas.annotations.media.Schema
 
 case class ModelWBigDecimalAnnotated(
-    @Schema(description = "bigdecimal value", `type` = "string", example = "42.0", required = true) field: BigDecimal
+    @Schema(description = "bigdecimal value", `type` = "string", example = "42.0",
+          required = true, deprecated = true) field: BigDecimal
 )
 
 case class ModelWBigDecimalNoType(field: BigDecimal)