The phrase "are developed to test" is correct and usable in written English.
You can use it when describing the purpose of something that has been created or designed specifically for testing.
Example: "The new software features are developed to test the system's performance under various conditions."
Alternatives: "are created for testing" or "are designed to evaluate".
Necessary and sufficient conditions are developed to test minimality.
Mathematical models are developed to test the feasibility of facilitated oxygen transport in enhancing O2 flux to genetically engineered cells in a bioartificial device such as a pancreas.
Animal models are developed to test the efficacy of potential life-saving agents against a painful and fatal disease, cancer.
Two prior probability estimation strategies and two feature vector construction methods are developed to test the performance of the proposed algorithm.
Two models are developed to test the hypothesized relationships between trust, beliefs, perceived risks, and support for climate change adaptation and mitigation responses.
In engineering, where simulations are used extensively, they are developed to test the effect of a narrow set of parameters on an important feature of the system (Duncan, 1953; Langhaar, 1951), because in order to get one aspect of the model correct, simplifications or compromises have to be made in other aspects.
The pilot scheme will be developed to test and establish audit mechanisms to track payments at the sending, clearing and receiving stages of the remittance process.
Scientists with RAM Consulting will train the commission's staff to use the equipment, which had been developed to test toys and other promotional items that McDonald's includes in its children's meals.
Since it is nearly impossible to examine water simply on the basis of appearance, multiple processes, such as chemical analysis, have been developed to test contamination levels.
