Revert error coloring (for development on dedicated branch) (#565)

pkl-core/src/test/kotlin/org/pkl/core/ErrorColoringTest.kt

@@ -1,77 +0,0 @@
-/**
- * Copyright © 2024 Apple Inc. and the Pkl project authors. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.pkl.core
-
-import org.assertj.core.api.Assertions.assertThat
-import org.fusesource.jansi.Ansi
-import org.junit.jupiter.api.*
-
-class ErrorColoringTest {
-  companion object {
-    val evaluator by lazy { Evaluator.preconfigured() }
-
-    @AfterAll
-    @JvmStatic
-    fun afterAll() {
-      evaluator.close()
-    }
-  }
-
-  private fun evaluate(program: String, expression: String): Any {
-    return evaluator.evaluateExpression(ModuleSource.text(program), expression)
-  }
-
-  @BeforeEach
-  fun setup() {
-    // Enable colouring before each test
-    Ansi.setEnabled(true)
-  }
-
-  @AfterEach
-  fun teardown() {
-    // Disable colouring after each test
-    Ansi.setEnabled(false)
-  }
-
-  @Test
-  fun `simple error`() {
-    val error = assertThrows<PklException> { evaluate("bar = 2", "bar = 15") }
-
-    assertThat(error)
-      .message()
-      .contains("\u001B[31m–– Pkl Error ––\u001B[m")
-      .contains("\u001B[94m1 | \u001B[m")
-      .contains("\u001B[0;31m^")
-  }
-
-  @Test
-  fun `repeated error`() {
-    val error =
-      assertThrows<PklException> {
-        evaluate(
-          """self: String = "Strings; if they were lazy, you could tie the knot on \(self.take(7))"""",
-          "self"
-        )
-      }
-    assertThat(error)
-      .message()
-      .contains("A stack overflow occurred.")
-      .contains("┌─ ")
-      .contains(" repetitions of:")
-      .contains("│ 1 | ")
-      .contains("^^^^")
-  }
-}