test: remove unneccessary reply magic_mode tests

Author: dario-piotrowicz

test/parallel/test-repl-mode.js

@@ -11,7 +11,6 @@ if (process.env.TERM === 'dumb') {
 const tests = [
   testSloppyMode,
   testStrictMode,
-  testAutoMode,
   testStrictModeTerminal,
 ];
 
@@ -56,14 +55,3 @@ function testStrictModeTerminal() {
     output.accumulator.includes('\n// ReferenceError: xyz is not defined')
   );
 }
-
-function testAutoMode() {
-  const { input, output } = startNewREPLServer({ replMode: repl.REPL_MODE_MAGIC, terminal: false, prompt: '> ' });
-
-  input.emit('data', 'x = 3\n');
-  assert.strictEqual(output.accumulator, '> 3\n> ');
-  output.accumulator = '';
-
-  input.emit('data', 'let y = 3\n');
-  assert.strictEqual(output.accumulator, 'undefined\n> ');
-}

test/parallel/test-repl-underscore.js

@@ -9,7 +9,6 @@ const testingReplPrompt = '_REPL_TESTING_PROMPT_>';
 
 testSloppyMode();
 testStrictMode();
-testMagicMode();
 testResetContext();
 testResetContextGlobal();
 testError();
@@ -86,46 +85,9 @@ function testStrictMode() {
   ]);
 }
 
-function testMagicMode() {
-  const { replServer, output } = startNewREPLServer({
-    prompt: testingReplPrompt,
-    mode: repl.REPL_MODE_MAGIC,
-  });
-
-  replServer.write(`_;          // initial value undefined
-          x = 10;      //
-          _;           // last eval - 10
-          let _ = 20;  // undefined
-          _;           // 20 from user input
-          _ = 30;      // make sure we can set it twice and no prompt
-          _;           // 30 from user input
-          var y = 40;  // make sure eval doesn't change _
-          _;           // remains 30 from user input
-          function f() { let _ = 50; return _; } // undefined
-          f();         // 50
-          _;           // remains 30 from user input
-          `);
-
-  assertOutput(output, [
-    'undefined',
-    '10',
-    '10',
-    'undefined',
-    '20',
-    '30',
-    '30',
-    'undefined',
-    '30',
-    'undefined',
-    '50',
-    '30',
-  ]);
-}
-
 function testResetContext() {
   const { replServer, output } = startNewREPLServer({
     prompt: testingReplPrompt,
-    mode: repl.REPL_MODE_MAGIC,
   });
 
   replServer.write(`_ = 10;     // explicitly set to 10