Fix tests: merge two tests and do not step into library files in tests because of allowed roots check

python/testData/debug/test_my_code.py

@@ -3,7 +3,7 @@ from calendar import setfirstweekday
 def foo(x):
     return x + 1
 
-foo(2)
+x = foo(2)
 stopped_in_user_file = True
 setfirstweekday(3)
 x = 9

python/testSrc/com/jetbrains/env/python/PythonDebuggerTest.java

@@ -263,25 +263,7 @@ public class PythonDebuggerTest extends PyEnvTestCase {
         eval("x").hasValue("2");
         resume();
         waitForPause();
-        stepIntoMyCode();
-        waitForPause();
-        eval("stopped_in_user_file").hasValue("True");
-      }
-    });
-  }
-
-  public void testStepIntoMyCodeFromLib() throws Exception {
-    runPythonTest(new PyDebuggerTask("/debug", "test_my_code.py") {
-      @Override
-      public void before() throws Exception {
-        toggleBreakpoint(getScriptPath(), 7);
-      }
-
-      @Override
-      public void testing() throws Exception {
-        waitForPause();
-        stepInto();
-        waitForPause();
+        eval("x").hasValue("3");
         stepIntoMyCode();
         waitForPause();
         eval("stopped_in_user_file").hasValue("True");