fix PyDeprecationTest: allow to turn off the new behavior of looking for an injected fragment under the caret in CodeInsightTestFixture

platform/testFramework/src/com/intellij/testFramework/fixtures/CodeInsightTestFixture.java

@@ -493,4 +493,12 @@ public interface CodeInsightTestFixture extends IdeaProjectTestFixture {
    * @param consumer the callback in which the actual testing of the structure view is performed.
    */
   void testStructureView(Consumer<StructureViewComponent> consumer);
+
+  /**
+   * By default, if the caret in the text passed to {@link #configureByFile(String)} or {@link #configureByText} has an injected fragment
+   * at the caret, the test fixture puts the caret into the injected editor. This method allows to turn off this behavior.
+   *
+   * @param caresAboutInjection true if the fixture should look for an injection at caret, false otherwise.
+   */
+  void setCaresAboutInjection(boolean caresAboutInjection);
 }

platform/testFramework/src/com/intellij/testFramework/fixtures/impl/CodeInsightTestFixtureImpl.java

@@ -153,6 +153,7 @@ public class CodeInsightTestFixtureImpl extends BaseFixture implements CodeInsig
   @NonNls private static final String XXX = "XXX";
   private final FileTreeAccessFilter myJavaFilesFilter = new FileTreeAccessFilter();
   private boolean myAllowDirt;
+  private boolean myCaresAboutInjection = true;
 
   @SuppressWarnings("JUnitTestCaseWithNonTrivialConstructors")
   public CodeInsightTestFixtureImpl(IdeaProjectTestFixture projectFixture, TempDirTestFixture tempDirTestFixture) {
@@ -1363,7 +1364,9 @@ public class CodeInsightTestFixtureImpl extends BaseFixture implements CodeInsig
             module.getMessageBus().syncPublisher(FacetManager.FACETS_TOPIC).facetConfigurationChanged(facet);
           }
         }
-        setupEditorForInjectedLanguage();
+        if (myCaresAboutInjection) {
+          setupEditorForInjectedLanguage();
+        }
       }
     }.execute().throwException();
 
@@ -1928,6 +1931,11 @@ public class CodeInsightTestFixtureImpl extends BaseFixture implements CodeInsig
     }
   }
 
+  @Override
+  public void setCaresAboutInjection(boolean caresAboutInjection) {
+    myCaresAboutInjection = caresAboutInjection;
+  }
+
   @Override
   public LookupImpl getLookup() {
     return (LookupImpl)LookupManager.getActiveLookup(myEditor);