diff --git a/infer/tests/codetoanalyze/Makefile.frontend b/infer/tests/codetoanalyze/Makefile.frontend
index 6352519dd..0998e7b1a 100644
--- a/infer/tests/codetoanalyze/Makefile.frontend
+++ b/infer/tests/codetoanalyze/Makefile.frontend
@@ -11,6 +11,7 @@ include $(ROOT_DIR)/Makefile.config
 default: compile
 
 test: capture
+	set -e; \
 	for file in $(FILES) ; do \
     diff -u $$file.dot $$file.test.dot ; \
 	done
diff --git a/infer/tests/codetoanalyze/c/frontend/assertions/assert_example.c b/infer/tests/codetoanalyze/c/frontend/assertions/assert_example.c
deleted file mode 100644
index 8bdc89d52..000000000
--- a/infer/tests/codetoanalyze/c/frontend/assertions/assert_example.c
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Copyright (c) 2013 - present Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- */
-
-#include <assert.h>
-
-struct MyPoint {
-  int x;
-};
-
-int test_assert(struct MyPoint* activeq) {
-  assert(activeq != 0);
-  return activeq->x;
-}
diff --git a/infer/tests/codetoanalyze/c/frontend/assertions/assert_example.c.dot b/infer/tests/codetoanalyze/c/frontend/assertions/assert_example.c.dot
deleted file mode 100644
index 098334ab2..000000000
--- a/infer/tests/codetoanalyze/c/frontend/assertions/assert_example.c.dot
+++ /dev/null
@@ -1,64 +0,0 @@
-/* @generated */
-digraph iCFG {
-15 [label="15:  ConditinalStmt Branch \n   *&0$?%__sil_tmpSIL_temp_conditional___n$2:void =0 [line 17]\n " shape="box"]
-	
-
-	 15 -> 4 ;
-14 [label="14:  ConditinalStmt Branch \n   *&0$?%__sil_tmpSIL_temp_conditional___n$2:void =-1 [line 17]\n " shape="box"]
-	
-
-	 14 -> 4 ;
-13 [label="13: Prune (true branch) \n   PRUNE(0, true); [line 17]\n " shape="invhouse"]
-	
-
-	 13 -> 14 ;
-12 [label="12: Prune (false branch) \n   n$5=*&0$?%__sil_tmpSIL_temp_conditional___n$3:int  [line 17]\n  PRUNE((n$5 == 0), false); [line 17]\n " shape="invhouse"]
-	
-
-	 12 -> 15 ;
-11 [label="11: Prune (true branch) \n   n$5=*&0$?%__sil_tmpSIL_temp_conditional___n$3:int  [line 17]\n  PRUNE((n$5 != 0), true); [line 17]\n " shape="invhouse"]
-	
-
-	 11 -> 13 ;
-10 [label="10:  ConditinalStmt Branch \n   *&0$?%__sil_tmpSIL_temp_conditional___n$3:int =1 [line 17]\n " shape="box"]
-	
-
-	 10 -> 5 ;
-9 [label="9:  ConditinalStmt Branch \n   *&0$?%__sil_tmpSIL_temp_conditional___n$3:int =0 [line 17]\n " shape="box"]
-	
-
-	 9 -> 5 ;
-8 [label="8: Prune (false branch) \n   PRUNE(((n$4 != 0) == 0), false); [line 17]\n " shape="invhouse"]
-	
-
-	 8 -> 10 ;
-7 [label="7: Prune (true branch) \n   PRUNE(((n$4 != 0) != 0), true); [line 17]\n " shape="invhouse"]
-	
-
-	 7 -> 9 ;
-6 [label="6:  BinaryOperatorStmt: NE \n   n$4=*&activeq:struct MyPoint * [line 17]\n " shape="box"]
-	
-
-	 6 -> 7 ;
-	 6 -> 8 ;
-5 [label="5: + \n  " ]
-	
-
-	 5 -> 11 ;
-	 5 -> 12 ;
-4 [label="4: + \n  " ]
-	
-
-	 4 -> 3 ;
-3 [label="3:  Return Stmt \n   n$0=*&activeq:struct MyPoint * [line 18]\n  n$1=*n$0.x:int  [line 18]\n  *&return:int =n$1 [line 18]\n " shape="box"]
-	
-
-	 3 -> 2 ;
-2 [label="2: Exit test_assert \n  " color=yellow style=filled]
-	
-
-1 [label="1: Start test_assert\nFormals:  activeq:struct MyPoint *\nLocals:  0$?%__sil_tmpSIL_temp_conditional___n$2:void  0$?%__sil_tmpSIL_temp_conditional___n$3:int  \n   DECLARE_LOCALS(&return,&0$?%__sil_tmpSIL_temp_conditional___n$2,&0$?%__sil_tmpSIL_temp_conditional___n$3); [line 16]\n " color=yellow style=filled]
-	
-
-	 1 -> 6 ;
-}