Try to make rust tests more stable

Author: bstaletic

ycmd/tests/rust/subcommands_test.py

@@ -587,6 +587,7 @@ def test_Subcommands_FixIt_Basic( self, app ):
     } )
 
 
+  @WithRetry()
   @IsolatedYcmd()
   def test_Subcommands_GoTo_WorksAfterChangingProject( self, app ):
     filepath = PathToTestFile( 'macro', 'src', 'main.rs' )