Fix all the test case breakages caused by folks writing tests all over the place that depended explicitly

on the output of "break set".  Please don't do this sort of thing!!!!!

llvm-svn: 164433

lldb/test/expression_command/call-function/TestCallStdStringFunction.py

@@ -35,10 +35,7 @@ class ExprCommandCallFunctionTestCase(TestBase):
         """Test calling std::String member function."""
         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
 
-        self.expect("breakpoint set -f main.cpp -l %d" % self.line,
-                    BREAKPOINT_CREATED,
-            startstr = "Breakpoint created: 1: file ='main.cpp', line = %d" %
-                        self.line)
+        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, loc_exact=True)
 
         self.runCmd("run", RUN_SUCCEEDED)