Fix coveralls (#323)

* Revert to AndreMiras/coveralls-python-action; couldn't get it to work with coverallsapp/github-action, final coverage was always wrong.
* Fix test for empymod v2.3

.github/workflows/linux.yml

@@ -122,7 +122,10 @@ jobs:
           pytest --cov=emg3d
 
       - name: Coveralls
-        uses: coverallsapp/github-action@v2
+        # [pin v20201129]
+        uses: AndreMiras/coveralls-python-action@f5fd5c309b39d01599fb92c72d4f7409ea78aec9
+        # v Did not work when tried; final coverage was wrong v
+        # uses: coverallsapp/github-action@v2
         with:
           parallel: true
           flag-name: ${{ matrix.case.python-version }} ${{ matrix.case.name }} (${{ matrix.case.os }})
@@ -133,7 +136,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Coveralls Finished
-      uses: coverallsapp/github-action@v2
+      # [pin v20201129]
+      uses: AndreMiras/coveralls-python-action@f5fd5c309b39d01599fb92c72d4f7409ea78aec9
+      # v Did not work when tried; final coverage was wrong v
+      # uses: coverallsapp/github-action@v2
       with:
         parallel-finished: true
 

tests/test_time.py

@@ -33,7 +33,7 @@ def test_defaults(self, capsys):
         assert Fourier.signal == 0        # Impulse respons
         assert_allclose(times, Fourier.time, 0, 0)
         assert Fourier.verb == 3          # Verbose by default
-        assert 'Key 201 CosSin (2012)' in out
+        assert 'key' in out.lower()
         assert 'Req. freq' in out
         assert 'Calc. freq' in out
         assert Fourier.freq_compute.min() >= fmin