update sample tests, fix Java tests (#20300)

* replace removed forkMode

* remove junit runner where it's not needed

* update samples without skipping test files, but skip files named "FILES"

* revert overwriting custom tests, add custom java tests to list

* add one sample to CircleCI, fix various Java tests

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/api/PetApiTest.java

@@ -3,7 +3,7 @@
  * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * The version of the OpenAPI document: 1.0.0
- *
+ * 
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -36,7 +36,7 @@ public class PetApiTest {
     /**
      * Add a new pet to the store
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */
@@ -50,7 +50,7 @@ public class PetApiTest {
     /**
      * Deletes a pet
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */
@@ -107,7 +107,7 @@ public class PetApiTest {
     /**
      * Update an existing pet
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */
@@ -121,7 +121,7 @@ public class PetApiTest {
     /**
      * Updates a pet in the store with form data
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */
@@ -137,7 +137,7 @@ public class PetApiTest {
     /**
      * uploads an image
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/api/StoreApiTest.java

@@ -3,7 +3,7 @@
  * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * The version of the OpenAPI document: 1.0.0
- *
+ * 
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -75,7 +75,7 @@ public class StoreApiTest {
     /**
      * Place an order for a pet
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/api/UserApiTest.java

@@ -3,7 +3,7 @@
  * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * The version of the OpenAPI document: 1.0.0
- *
+ * 
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -49,7 +49,7 @@ public class UserApiTest {
     /**
      * Creates list of users with given input array
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */
@@ -63,7 +63,7 @@ public class UserApiTest {
     /**
      * Creates list of users with given input array
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */
@@ -91,7 +91,7 @@ public class UserApiTest {
     /**
      * Get user by user name
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */
@@ -105,7 +105,7 @@ public class UserApiTest {
     /**
      * Logs user into the system
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */
@@ -120,7 +120,7 @@ public class UserApiTest {
     /**
      * Logs out current logged in user session
      *
-     *
+     * 
      *
      * @throws ApiException if the Api call fails
      */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/model/CategoryTest.java

@@ -3,7 +3,7 @@
  * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * The version of the OpenAPI document: 1.0.0
- *
+ * 
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -19,10 +19,10 @@ import com.google.gson.annotations.SerializedName;
 import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
+import java.util.Arrays;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
-
 /**
  * Model tests for Category
  */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/model/ModelApiResponseTest.java

@@ -3,7 +3,7 @@
  * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * The version of the OpenAPI document: 1.0.0
- *
+ * 
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -19,10 +19,10 @@ import com.google.gson.annotations.SerializedName;
 import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
+import java.util.Arrays;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
-
 /**
  * Model tests for ModelApiResponse
  */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/model/OrderTest.java

@@ -3,7 +3,7 @@
  * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * The version of the OpenAPI document: 1.0.0
- *
+ * 
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -20,10 +20,10 @@ import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
 import java.time.OffsetDateTime;
+import java.util.Arrays;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
-
 /**
  * Model tests for Order
  */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/model/PetTest.java

@@ -3,7 +3,7 @@
  * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * The version of the OpenAPI document: 1.0.0
- *
+ * 
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -20,13 +20,13 @@ import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import org.openapitools.client.model.Category;
 import org.openapitools.client.model.Tag;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
-
 /**
  * Model tests for Pet
  */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/model/PetWithRequiredNullableCases1Test.java

@@ -20,6 +20,7 @@ import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import org.openapitools.client.model.Category;
 import org.openapitools.client.model.Tag;
@@ -27,7 +28,6 @@ import org.openapitools.jackson.nullable.JsonNullable;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
-
 /**
  * Model tests for PetWithRequiredNullableCases1
  */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/model/PetWithRequiredNullableCases2Test.java

@@ -20,13 +20,13 @@ import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import org.openapitools.client.model.Category;
 import org.openapitools.client.model.Tag;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
-
 /**
  * Model tests for PetWithRequiredNullableCases2
  */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/model/TagTest.java

@@ -3,7 +3,7 @@
  * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * The version of the OpenAPI document: 1.0.0
- *
+ * 
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -19,10 +19,10 @@ import com.google.gson.annotations.SerializedName;
 import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
+import java.util.Arrays;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
-
 /**
  * Model tests for Tag
  */

samples/client/petstore/java/okhttp-gson-nullable-required/src/test/java/org/openapitools/client/model/UserTest.java

@@ -3,7 +3,7 @@
  * This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
  *
  * The version of the OpenAPI document: 1.0.0
- *
+ * 
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
@@ -19,10 +19,10 @@ import com.google.gson.annotations.SerializedName;
 import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 import java.io.IOException;
+import java.util.Arrays;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
-
 /**
  * Model tests for User
  */