Fixes GitHub coverage issue (#544) #540

Job	Run time
ubuntu-latest\|debug\|--enable-mcsat\|CC=gcc CXX=g++	9m 13s
ubuntu-latest\|debug\|--enable-mcsat\|CC=clang CXX=clang++	9m 44s
ubuntu-latest\|debug\|--enable-thread-safety\|CC=gcc CXX=g++	4m 35s
ubuntu-latest\|debug\|--enable-thread-safety\|CC=clang CXX=clang++	5m 1s
ubuntu-latest\|release\|--enable-mcsat\|CC=gcc CXX=g++	6m 31s
ubuntu-latest\|release\|--enable-mcsat\|CC=clang CXX=clang++	6m 29s
ubuntu-latest\|release\|--enable-thread-safety\|CC=gcc CXX=g++	3m 20s
ubuntu-latest\|release\|--enable-thread-safety\|CC=clang CXX=clang++	3m 15s
ubuntu-latest\|gcov\|--enable-mcsat\|CC=gcc CXX=g++	9m 10s
ubuntu-latest\|debug\|--enable-thread-safety --enable-mcsat\|CC=gcc CXX=g++	9m 31s
	1h 6m 49s

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