Try to fix exporter acceptance

Signed-off-by: Natalie Arellano <narellano@vmware.com>

acceptance/exporter_test.go

@@ -414,7 +414,7 @@ func testExporterFunc(platformAPI string) func(t *testing.T, when spec.G, it spe
 
 						it("overwrites the original layer", func() {
 							exportFlags := []string{
-								"-cache-dir", "/cache/committed",
+								"-cache-dir", "/cache",
 								"-log-level", "debug",
 							}
 							exportArgs := append([]string{ctrPath(exporterPath)}, exportFlags...)
@@ -427,10 +427,11 @@ func testExporterFunc(platformAPI string) func(t *testing.T, when spec.G, it spe
 									"--env", "CNB_PLATFORM_API="+platformAPI,
 									"--env", "CNB_REGISTRY_AUTH="+exportRegAuthConfig,
 									"--network", exportRegNetwork,
-									"--volume", fmt.Sprintf("%s:/cache/committed", cacheDir),
+									"--volume", fmt.Sprintf("%s:/cache", cacheDir),
 								),
 								h.WithArgs(exportArgs...),
 							)
+							h.AssertStringContains(t, output, "Skipping reuse for layer corrupted_buildpack:corrupted-layer: expected layer contents to have SHA 'sha256:258dfa0cc987efebc17559694866ebc91139e7c0e574f60d1d4092f53d7dff59'; found 'sha256:9e0b77ed599eafdab8611f7eeefef084077f91f02f1da0a3870c7ff20a08bee8'")
 							h.AssertStringContains(t, output, "Saving "+exportedImageName)
 							h.Run(t, exec.Command("docker", "pull", exportedImageName))
 							defer h.Run(t, exec.Command("docker", "image", "rm", exportedImageName))