Fixes after MAX IV experiment

tests/DiffractionExperimentTest.cpp

@@ -702,3 +702,27 @@ TEST_CASE("DiffractionExperiment_OmegaStep","[DiffractionExperiment]") {
     REQUIRE(x.GetOmegaStep());
     REQUIRE(!msg.goniometer.empty());
 }
+
+TEST_CASE("DiffractionExperiment_ConversionOnFPGA","[DiffractionExperiment]") {
+    DiffractionExperiment x;
+    x.Mode(DetectorMode::Conversion);
+    REQUIRE(x.IsConversionOnFPGA()); // conversion on FPGA must be default true!
+
+    x.Mode(DetectorMode::Raw);
+    REQUIRE(!x.IsConversionOnFPGA()); // conversion on FPGA off for raw mode
+
+    x.Mode(DetectorMode::PedestalG0);
+    REQUIRE(!x.IsConversionOnFPGA()); // conversion on FPGA off for pedestal modes
+
+    x.Mode(DetectorMode::PedestalG1);
+    REQUIRE(!x.IsConversionOnFPGA()); // conversion on FPGA off for pedestal modes
+
+    x.Mode(DetectorMode::PedestalG2);
+    REQUIRE(!x.IsConversionOnFPGA()); // conversion on FPGA off for pedestal modes
+
+    x.Mode(DetectorMode::Conversion).ConversionOnFPGA(false);
+    REQUIRE(!x.IsConversionOnFPGA()); // conversion on FPGA turned explicitly off
+
+    x.Mode(DetectorMode::Conversion).ConversionOnFPGA(true);
+    REQUIRE(x.IsConversionOnFPGA()); // conversion on FPGA back on
+}