[terminal] IJPL-248564 Refactor TerminalCopyOnSelectionTest: do not set PsiFile content

It is not required for the test.


(cherry picked from commit b9fa8ac21e56de0d2d499f08f9bd3bfffbf9a1dd)

IJ-CR-211956

GitOrigin-RevId: 0cfbe1a980c557df6ae194975d079ee414f854cf

plugins/terminal/tests/src/com/intellij/terminal/tests/reworked/frontend/TerminalCopyOnSelectionTest.kt

@@ -6,13 +6,11 @@ import com.intellij.openapi.editor.LogicalPosition
 import com.intellij.openapi.ide.CopyPasteManager
 import com.intellij.openapi.util.Disposer
 import com.intellij.platform.util.coroutines.childScope
-import com.intellij.psi.PsiDocumentManager
 import com.intellij.terminal.JBTerminalSystemSettingsProviderBase
 import com.intellij.terminal.frontend.view.impl.TerminalEditorFactory
 import com.intellij.terminal.tests.reworked.util.TerminalTestUtil
 import com.intellij.testFramework.fixtures.BasePlatformTestCase
 import kotlinx.coroutines.cancel
-import org.jetbrains.plugins.terminal.block.reworked.lang.TerminalOutputPsiFile
 import org.jetbrains.plugins.terminal.util.terminalProjectScope
 import org.junit.Assume
 import org.junit.Test
@@ -31,7 +29,7 @@ internal class TerminalCopyOnSelectionTest : BasePlatformTestCase() {
   @Test
   fun `copy on selection works for single selection and does not clear clipboard when selection becomes empty`() {
     val editor = createTerminalEditor()
-    editor.emitOnTerminal(
+    editor.document.setText(
       """
       first
       second
@@ -55,7 +53,7 @@ internal class TerminalCopyOnSelectionTest : BasePlatformTestCase() {
   @Test
   fun `copy on selection works for block selection and does not clear clipboard when block selection is cleared`() {
     val editor = createTerminalEditor()
-    editor.emitOnTerminal(
+    editor.document.setText(
       """
       first
       second
@@ -97,11 +95,5 @@ internal class TerminalCopyOnSelectionTest : BasePlatformTestCase() {
     return editor
   }
 
-  private fun Editor.emitOnTerminal(text: String) {
-    document.setText(text)
-    val psiFile = PsiDocumentManager.getInstance(this@TerminalCopyOnSelectionTest.project).getPsiFile(this.document) as TerminalOutputPsiFile
-    psiFile.charsSequence = this.document.immutableCharSequence
-  }
-
   private fun copiedTransferable() = CopyPasteManager.getInstance().let { it.systemSelectionContents ?: it.contents }
 }