Introduce bug in gtest suite (expect failure)

Author: marclecerf

.github/workflows/unit-tests.yml

@@ -82,8 +82,6 @@ jobs:
           runVcpkgInstall: true
           # Release 2023.04.15
           vcpkgGitCommitId: '501db0f17ef6df184fcdbfbe0f87cde2313b6ab1'
-      - name: Test-drive early exit with failure
-        run: exit 1
       - name: Patch vcpkg library headers with patchelf
         run: |
           cd vcpkg

cpp/test/test_filtering.cpp

@@ -76,7 +76,7 @@ TEST(FilteringHTest, TransPolyfitter) {
         unsigned int count=0;
         for (unsigned int p=p_start; p <= p_end; ++p, ++count) {
             for (unsigned int f=0; f < n_frames; ++f) {
-                ASSERT_LT(std::abs(y[p*n_frames+f] - y2[count*n_frames+f]), epsilon);
+                ASSERT_GT(std::abs(y[p*n_frames+f] - y2[count*n_frames+f]), epsilon);
             }
         }
     }