fix e2e #2

Signed-off-by: Marek Molisch <[email protected]>

Author: mmolisch

collector/fixtures/e2e-64k-page-output.txt

@@ -876,7 +876,7 @@ node_fscache_objects_retired_total 0
 node_fscache_relinquishes_total 31939
 # HELP node_fscache_retrievals_nobuffer_total Number of retrieval (read) operations failed due to no buffer (Retrvls: nbf=nobuff).
 # TYPE node_fscache_retrievals_nobuffer_total counter
-node_fscache_retrievals_nobuffer_total 2551742
+node_fscache_retrievals_nobuffer_total 2.551742e+06
 # HELP node_fscache_retrievals_success_total Number of successful retrieval (read) operations (Retrvls: ok=success).
 # TYPE node_fscache_retrievals_success_total counter
 node_fscache_retrievals_success_total 0