Add --noaffinity to tests so they don't fail in Travic CI containers.

tests/adjacent_matches.t

@@ -1,7 +1,7 @@
 Setup:
 
   $ . $TESTDIR/setup.sh
-  $ alias ag="$TESTDIR/../ag --workers=1 --parallel --color"
+  $ alias ag="$TESTDIR/../ag --noaffinity --workers=1 --parallel --color"
   $ printf 'blahfoofooblah\n' > ./fooblah.txt
 
 Highlights are adjacent:

tests/color.t

@@ -2,7 +2,7 @@ Setup. Note that we have to turn --color on manually since ag detects that
 stdout isn't a tty when running in cram.
 
   $ . $TESTDIR/setup.sh
-  $ alias ag="$TESTDIR/../ag --workers=1 --parallel --color"
+  $ alias ag="$TESTDIR/../ag --noaffinity --workers=1 --parallel --color"
   $ printf 'foo\n' > ./blah.txt
   $ printf 'bar\n' >> ./blah.txt
 

tests/count.t

@@ -2,7 +2,7 @@ Setup:
 
   $ . $TESTDIR/setup.sh
   $ unalias ag
-  $ alias ag="$TESTDIR/../ag --nocolor --workers=1"
+  $ alias ag="$TESTDIR/../ag --noaffinity --nocolor --workers=1"
   $ printf "blah\n" > blah.txt
   $ printf "blah2\n" >> blah.txt
   $ printf "blah_OTHER\n" > other_file.txt

tests/passthrough.t

@@ -2,7 +2,7 @@ Setup:
 
   $ . $TESTDIR/setup.sh
   $ unalias ag
-  $ alias ag="$TESTDIR/../ag --nocolor --workers=1"
+  $ alias ag="$TESTDIR/../ag --noaffinity --nocolor --workers=1"
   $ printf "foo bar\n" > passthrough_test.txt
   $ printf "zoo zar\n" >> passthrough_test.txt
   $ printf "foo test\n" >> passthrough_test.txt

tests/setup.sh

@@ -3,5 +3,7 @@
 # All cram tests should use this. Make sure that "ag" runs the version
 # of ag we just built, and make the output really simple.
 
+# --noaffinity is to stop Travis CI from erroring (it runs in containers so pthread_setaffinity_np fails)
+# --workers=1 is to keep all output ordered, to make testing output easier
 # shellcheck disable=2139
-alias ag="$TESTDIR/../ag --nocolor --workers=1 --parallel"
+alias ag="$TESTDIR/../ag --noaffinity --nocolor --workers=1 --parallel"