Turn off tests in unsupported scenarios.

Author: chriselrod

test/dot.jl

@@ -241,7 +241,9 @@ using Test
             @test πest == pi_avx_u4(a, b)
         end
 
-        @test dotloopinductvarpow(a) ≈ dotloopinductvarpowavx(a)
+        if !(!LoopVectorization.VectorizationBase.AVX2 && T === Int32)
+            @test dotloopinductvarpow(a) ≈ dotloopinductvarpowavx(a)
+        end
         @test dot_from_n_to_100(a, b, 33) == @views mydotavx(a[33:100], b[33:100])
 
         a_re = rand(R, N); a_im = rand(R, N);

test/runtests.jl

@@ -44,8 +44,8 @@ Base.IndexStyle(::Type{<:FallbackArrayWrapper}) = IndexLinear()
     @time include("map.jl")
 
     @time include("filter.jl")
-
-    @time include("mapreduce.jl")
+    
+    VERSION ≥ v"1.3" && @time include("mapreduce.jl")
 
     @time include("ifelsemasks.jl")