Migrate to JUnit5 notation

from https://github.com/ProjectMapK/jackson-module-kogera/blob/ecc766d97dc4c2bec574fba7cc6bdeacc2b07c29/src/test/kotlin/io/github/projectmapk/jackson/module/kogera/zPorted/test/ParameterNameTests.kt

Author: k163377

src/test/kotlin/com/fasterxml/jackson/module/kotlin/test/ParameterNameTests.kt

@@ -6,8 +6,6 @@ import com.fasterxml.jackson.annotation.JsonProperty
 import com.fasterxml.jackson.databind.PropertyNamingStrategies
 import com.fasterxml.jackson.databind.SerializationFeature
 import com.fasterxml.jackson.module.kotlin.*
-import org.hamcrest.CoreMatchers.equalTo
-import org.hamcrest.MatcherAssert.assertThat
 import org.junit.jupiter.api.Test
 import java.io.StringWriter
 import java.util.*
@@ -35,12 +33,12 @@ class TestJacksonWithKotlin {
             createDtField: Date = createdDt,
             isNameField: Boolean = isName,
         ) {
-            assertThat(nameField, equalTo("Frank"))
-            assertThat(ageField, equalTo(30))
-            assertThat(addressField, equalTo("something here"))
-            assertThat(wrongNameField, equalTo(true))
-            assertThat(createDtField, equalTo(Date(1477419948000)))
-            assertThat(isNameField, equalTo(false))
+            assertEquals("Frank", nameField)
+            assertEquals(30, ageField)
+            assertEquals("something here", addressField)
+            assertEquals(true, wrongNameField)
+            assertEquals(Date(1477419948000), createDtField)
+            assertFalse(isNameField)
         }
     }
 
@@ -117,7 +115,7 @@ class TestJacksonWithKotlin {
         val test1out = StringWriter()
         normalCasedMapper.writeValue(test1out, stateObj)
 
-        assertThat(test1out.getBuffer().toString(), equalTo(normalCasedJson))
+        assertEquals(normalCasedJson, test1out.getBuffer().toString())
     }
 
     // ==================
@@ -138,7 +136,7 @@ class TestJacksonWithKotlin {
         stateObj.validate()
 
         val test1out = normalCasedMapper.writeValueAsString(stateObj)
-        assertThat(test1out, equalTo(normalCasedJson))
+        assertEquals(normalCasedJson, test1out)
     }
 
     // ==================
@@ -206,7 +204,7 @@ class TestJacksonWithKotlin {
         stateObj.validate()
 
         val test1out = pascalCasedMapper.writeValueAsString(stateObj)
-        assertThat(test1out, equalTo(pascalCasedJson))
+        assertEquals(pascalCasedJson, test1out)
     }
 
     private class HasSameParamNameConstructor(val value: Int) {
@@ -250,7 +248,7 @@ class TestJacksonWithKotlin {
     @Test fun findingFactoryMethod() {
         val stateObj = normalCasedMapper.readValue(normalCasedJson, StateObjectWithFactory::class.java)
         stateObj.validate()
-        assertThat(stateObj.factoryUsed, equalTo(true))
+        assertEquals(true, stateObj.factoryUsed)
     }
 
     private class StateObjectWithFactoryNoParamAnnotations(
@@ -278,8 +276,7 @@ class TestJacksonWithKotlin {
     @Test fun findingFactoryMethod2() {
         try {
             normalCasedMapper.readValue(normalCasedJson, StateObjectWithFactoryNoParamAnnotations::class.java)
-        }
-        catch (ex: Exception) {
+        } catch (ex: Exception) {
             ex.printStackTrace()
             fail("Exception not expected")
         }
@@ -313,7 +310,7 @@ class TestJacksonWithKotlin {
     @Test fun findingFactoryMethod3() {
         val stateObj = normalCasedMapper.readValue(normalCasedJson, StateObjectWithFactoryOnNamedCompanion::class.java)
         stateObj.validate()
-        assertThat(stateObj.factoryUsed, equalTo(true))
+        assertTrue(stateObj.factoryUsed)
     }
 
     // GH #14 failing due to this enum type
@@ -346,4 +343,3 @@ class TestJacksonWithKotlin {
         assertTrue(Gh14FailureWithEnum::class.java.isKotlinClass())
     }
 }
-