Undo commenting linux tests

Author: birgits

.github/workflows/tests-coverage.yml

@@ -18,15 +18,15 @@ jobs:
       fail-fast: false
       matrix:
         include:
-#          - name-suffix: "coverage"
-#            os: ubuntu-latest
-#            python-version: "3.11"
-#          - name-suffix: "basic"
-#            os: ubuntu-latest
-#            python-version: "3.10"
-#          - name-suffix: "basic"
-#            os: ubuntu-latest
-#            python-version: "3.12"
+          - name-suffix: "coverage"
+            os: ubuntu-latest
+            python-version: "3.11"
+          - name-suffix: "basic"
+            os: ubuntu-latest
+            python-version: "3.10"
+          - name-suffix: "basic"
+            os: ubuntu-latest
+            python-version: "3.12"
           - name-suffix: "basic"
             os: windows-latest
             python-version: "3.11"