test on 1.7-nightly

Author: marius311

.github/workflows/runtests.yml

@@ -5,10 +5,10 @@ on: [push, pull_request]
 jobs:
   main:
     runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.experimental == 'nightly' }}
+    continue-on-error: ${{ matrix.julia-version == '1.7-nightly' }}
     strategy:
       matrix:
-        julia-version: ['1.5', '1.6-nightly']
+        julia-version: ['1.5', '1.6', '1.7-nightly']
         os: [ubuntu-latest]
         JULIA_FFTW_PROVIDER: ['MKL','FFTW']
       fail-fast: false